- Clean and maintain tools and equipment.
Occupations with related tasks Save Table: XLSX CSV
| Closely Related Tasks | All Related Tasks | Job Zone | Code | Occupation |
| 5 | 6 | 1 | 47-4071.00 | Septic Tank Servicers and Sewer Pipe Cleaners 
|
| 3 | 5 | 2 | 47-4061.00 | Rail-Track Laying and Maintenance Equipment Operators |
| 3 | 3 | 2 | 47-3015.00 | Helpers--Pipelayers, Plumbers, Pipefitters, and Steamfitters |
| 2 | 4 | 2 | 47-3016.00 | Helpers--Roofers |
| 1 | 4 | 2 | 47-2061.00 | Construction Laborers
|
| 1 | 3 | 2 | 47-3011.00 | Helpers--Brickmasons, Blockmasons, Stonemasons, and Tile and Marble Setters |
| 1 | 3 | 2 | 47-5012.00 | Rotary Drill Operators, Oil and Gas |
| 1 | 3 | 2 | 47-2053.00 | Terrazzo Workers and Finishers |
| 1 | 3 | 1 | 45-3031.00 | Fishing and Hunting Workers
|
| 1 | 2 | 1 | 47-3014.00 | Helpers--Painters, Paperhangers, Plasterers, and Stucco Masons |
| 1 | 2 | 2 | 47-5041.00 | Continuous Mining Machine Operators |
| 1 | 2 | 1 | 47-5011.00 | Derrick Operators, Oil and Gas |
| 1 | 2 | 1 | 47-2161.00 | Plasterers and Stucco Masons |
| 1 | 2 | 3 | 47-2011.00 | Boilermakers |
| 1 | 2 | 2 | 47-4051.00 | Highway Maintenance Workers
|
| 1 | 2 | 2 | 45-2093.00 | Farmworkers, Farm, Ranch, and Aquacultural Animals |
| 1 | 2 | 2 | 47-3013.00 | Helpers--Electricians |
| 1 | 2 | 2 | 47-5023.00 | Earth Drillers, Except Oil and Gas |
| 1 | 2 | 2 | 47-5032.00 | Explosives Workers, Ordnance Handling Experts, and Blasters |
| 1 | 2 | 1 | 45-2092.00 | Farmworkers and Laborers, Crop, Nursery, and Greenhouse |
| 1 | 1 | 2 | 47-2072.00 | Pile Driver Operators |
| 1 | 1 | 2 | 47-3012.00 | Helpers--Carpenters |
| 1 | 1 | 2 | 45-4011.00 | Forest and Conservation Workers |
| 1 | 1 | 2 | 47-2071.00 | Paving, Surfacing, and Tamping Equipment Operators |
| 1 | 1 | 2 | 47-2211.00 | Sheet Metal Workers |
| 1 | 1 | 2 | 45-2021.00 | Animal Breeders |
| 1 | 1 | 2 | 47-2073.00 | Operating Engineers and Other Construction Equipment Operators |
| 1 | 1 | 3 | 47-2152.00 | Plumbers, Pipefitters, and Steamfitters |
- Operate sewer cleaning equipment, including power rodders, high-velocity water jets, sewer flushers, bucket machines, wayne balls, and vac-alls.
- Clean and repair septic tanks, sewer lines, or related structures such as manholes, culverts, and catch basins.
- Service, adjust, and make minor repairs to equipment, machines, and attachments.
- Clean and disinfect domestic basements and other areas flooded by sewer stoppages.
- Start machines to feed revolving cables or rods into openings, stopping machines and changing knives to conform to pipe sizes.
- Rotate cleaning rods manually, using turning pins.
- Communicate with supervisors and other workers, using equipment such as wireless phones, pagers, or radio telephones.
- Drive trucks to transport crews, materials, and equipment.
- Inspect manholes to locate sewer line stoppages.
- Prepare and keep records of actions taken, including maintenance and repair work.
- Measure excavation sites, using plumbers' snakes, tapelines, or lengths of cutting heads within sewers, and mark areas for digging.
- Locate problems, using specially designed equipment, and mark where digging must occur to reach damaged tanks or pipes.
- Dig out sewer lines manually, using shovels.
- Withdraw cables from pipes and examine them for evidence of mud, roots, grease, and other deposits indicating broken or clogged sewer lines.
- Ensure that repaired sewer line joints are tightly sealed before backfilling begins.
- Install rotary knives on flexible cables mounted on machine reels, according to the diameters of pipes to be cleaned.
- Update sewer maps and manhole charts.
- Cover repaired pipes with dirt, and pack backfilled excavations, using air and gasoline tampers.
- Cut damaged sections of pipe with cutters, remove broken sections from ditches, and replace pipe sections, using pipe sleeves.
- Requisition or order tools and equipment.
- Break asphalt and other pavement so that pipes can be accessed, using airhammers, picks, and shovels.
- Tap mainline sewers to install sewer saddles.
- Operate sewer cleaning equipment, including power rodders, high-velocity water jets, sewer flushers, bucket machines, wayne balls, and vac-alls.
- Clean and repair septic tanks, sewer lines, or related structures such as manholes, culverts, and catch basins.
- Service, adjust, and make minor repairs to equipment, machines, and attachments.
- Clean and disinfect domestic basements and other areas flooded by sewer stoppages.
- Start machines to feed revolving cables or rods into openings, stopping machines and changing knives to conform to pipe sizes.
- Rotate cleaning rods manually, using turning pins.
- Lubricate machines, change oil, or fill hydraulic reservoirs to specified levels.
- Clean tracks or clear ice or snow from tracks or switch boxes.
- Clean or make minor repairs to machines or equipment.
- Repair or adjust track switches, using wrenches and replacement parts.
- Dress and reshape worn or damaged railroad switch points or frogs, using portable power grinders.
- Patrol assigned track sections so that damaged or broken track can be located and reported.
- Weld sections of track together, such as switch points and frogs.
- Observe leveling indicator arms to verify levelness and alignment of tracks.
- Operate single- or multiple-head spike driving machines to drive spikes into ties and secure rails.
- Operate track wrenches to tighten or loosen bolts at joints that hold ends of rails together.
- Cut rails to specified lengths, using rail saws.
- Drill holes through rails, tie plates, or fishplates for insertion of bolts or spikes, using power drills.
- Clean, grade, or level ballast on railroad tracks.
- Raise rails, using hydraulic jacks, to allow for tie removal and replacement.
- Adjust controls of machines that spread, shape, raise, level, or align track, according to specifications.
- Grind ends of new or worn rails to attain smooth joints, using portable grinders.
- Operate single- or multiple-head spike pullers to pull old spikes from ties.
- String and attach wire-guidelines machine to rails so that tracks or rails can be aligned or leveled.
- Engage mechanisms that lay tracks or rails to specified gauges.
- Drive graders, tamping machines, brooms, or ballast spreading machines to redistribute gravel or ballast between rails.
- Drive vehicles that automatically move and lay tracks or rails over sections of track to be constructed, repaired, or maintained.
- Turn wheels of machines, using lever controls, to adjust guidelines for track alignments or grades, following specifications.
- Push controls to close grasping devices on track or rail sections so that they can be raised or moved.
- Operate tie-adzing machines to cut ties and permit insertion of fishplates that hold rails.
- Paint railroad signs, such as speed limits or gate-crossing warnings.
- Spray ties, fishplates, or joints with oil to protect them from weathering.
- Lubricate machines, change oil, or fill hydraulic reservoirs to specified levels.
- Clean tracks or clear ice or snow from tracks or switch boxes.
- Clean or make minor repairs to machines or equipment.
- Repair or adjust track switches, using wrenches and replacement parts.
- Dress and reshape worn or damaged railroad switch points or frogs, using portable power grinders.
- Clean shop, work area, and machines, using solvent and rags.
- Immerse pipe in chemical solution to remove dirt, oil, and scale.
- Clean and renew steam traps.
- Measure, cut, thread and assemble new pipe, placing the assembled pipe in hangers or other supports.
- Cut or drill holes in walls or floors to accommodate the passage of pipes.
- Perform rough-ins, repair and replace fixtures and water heaters, and locate, repair, or remove leaking or broken pipes.
- Assist pipe fitters in the layout, assembly, and installation of piping for air, ammonia, gas, and water systems.
- Cut pipe and lift up to fitters.
- Fit or assist in fitting valves, couplings, or assemblies to tanks, pumps, or systems, using hand tools.
- Requisition tools and equipment, select type and size of pipe, and collect and transport materials and equipment to work site.
- Mount brackets and hangers on walls and ceilings to hold pipes, and set sleeves or inserts to provide support for pipes.
- Excavate and grade ditches, and lay and join pipe for water and sewer service.
- Disassemble and remove damaged or worn pipe.
- Install gas burners to convert furnaces from wood, coal, or oil.
- Fill pipes with sand or resin to prevent distortion, and hold pipes during bending and installation.
- Clean shop, work area, and machines, using solvent and rags.
- Immerse pipe in chemical solution to remove dirt, oil, and scale.
- Clean and renew steam traps.
- Clean work areas and equipment.
- Maintain tools and equipment.
- Sweep and clean roofs to prepare them for the application of new roofing materials.
- Clear drains and downspouts and clean gutters.
- Check to ensure that completed roofs are watertight.
- Locate worn or torn areas in roofs.
- Cover roofs with layers of roofing felt or asphalt strips before installing tile, slate, or composition materials.
- Remove old roofing materials.
- Unload materials and tools from work trucks, and unroll roofing as directed.
- Set ladders, scaffolds, and hoists in place for taking supplies to roofs.
- Place tiles, nail them to roof boards, and cover nailheads with roofing cement.
- Provide assistance to skilled roofers installing and repairing roofs, flashings, and surfaces.
- Attach roofing paper and composition shingles, using nails.
- Perform emergency leak repairs and general maintenance for a variety of roof types.
- Attach sheets of metal to roof boards or building frameworks when installing metal roofs.
- Hoist tar and roofing materials to roofs, using ropes and pulleys, or carry materials up ladders.
- Apply shingles, gravel, or asphalt over the top layer of tar to protect the roofing material.
- Chop tar into small pieces, and heat chopped tar in kettles.
- Clean work areas and equipment.
- Maintain tools and equipment.
- Sweep and clean roofs to prepare them for the application of new roofing materials.
- Clear drains and downspouts and clean gutters.
- Lubricate, clean, or repair machinery, equipment, or tools.
- Clean or prepare construction sites to eliminate possible hazards.
- Spray materials, such as water, sand, steam, vinyl, paint, or stucco, through hoses to clean, coat, or seal surfaces.
- Mop, brush, or spread paints, cleaning solutions, or other compounds over surfaces to clean them or to provide protection.
- Tend pumps, compressors, or generators to provide power for tools, machinery, or equipment or to heat or move materials, such as asphalt.
- Signal equipment operators to facilitate alignment, movement, or adjustment of machinery, equipment, or materials.
- Read plans, instructions, or specifications to determine work activities.
- Measure, mark, or record openings or distances to layout areas where construction work will be performed.
- Dig ditches or trenches, backfill excavations, or compact and level earth to grade specifications, using picks, shovels, pneumatic tampers, or rakes.
- Load, unload, or identify building materials, machinery, or tools, distributing them to the appropriate locations, according to project plans or specifications.
- Position, join, align, or seal structural components, such as concrete wall sections or pipes.
- Perform site activities required of green certified construction practices, such as implementing waste management procedures, identifying materials for reuse, or installing erosion or sedimentation control mechanisms.
- Control traffic passing near, in, or around work zones.
- Install sewer, water, or storm drain pipes, using pipe-laying machinery or laser guidance equipment.
- Operate or maintain air monitoring or other sampling devices in confined or hazardous environments.
- Smooth or finish freshly poured cement or concrete, using floats, trowels, screeds, or powered cement finishing tools.
- Erect or dismantle scaffolding, shoring, braces, traffic barricades, ramps, or other temporary structures.
- Provide assistance to craft workers, such as carpenters, plasterers, or masons.
- Perform building weatherization tasks, such as repairing windows, adding insulation, or applying weather-stripping materials.
- Apply weather-stripping to reduce energy loss.
- Raze buildings or salvage useful materials.
- Position or dismantle forms for pouring concrete, using saws, hammers, nails, or bolts.
- Grind, scrape, sand, or polish surfaces, such as concrete, marble, terrazzo, or wood flooring, using abrasive tools or machines.
- Place, consolidate, or protect case-in-place concrete or masonry structures.
- Mix ingredients to create compounds for covering or cleaning surfaces.
- Mix, pour, or spread concrete, using portable cement mixers.
- Operate jackhammers or drills to break up concrete or pavement.
- Apply caulking compounds by hand or caulking guns to protect against entry of water or air.
- Tend machines that pump concrete, grout, cement, sand, plaster, or stucco through spray guns for application to ceilings or walls.
- Identify, pack, or transport hazardous or radioactive materials.
- Use computers or other input devices to control robotic pipe cutters or cleaners.
- Perform construction laborer duties at green building sites, such as renewable energy plants or wind turbine installations.
- Lubricate, clean, or repair machinery, equipment, or tools.
- Clean or prepare construction sites to eliminate possible hazards.
- Spray materials, such as water, sand, steam, vinyl, paint, or stucco, through hoses to clean, coat, or seal surfaces.
- Mop, brush, or spread paints, cleaning solutions, or other compounds over surfaces to clean them or to provide protection.
- Arrange or store materials, machines, tools, or equipment.
- Clean installation surfaces, equipment, tools, work sites, or storage areas, using water, chemical solutions, oxygen lances, or polishing machines.
- Remove damaged tile, brick, or mortar, and clean or prepare surfaces, using pliers, hammers, chisels, drills, wire brushes, or metal wire anchors.
- Mix mortar, plaster, and grout, manually or using machines, according to standard formulas.
- Erect scaffolding or other installation structures.
- Cut materials to specified sizes for installation, using power saws or tile cutters.
- Modify material moving, mixing, grouting, grinding, polishing, or cleaning procedures, according to installation or material requirements.
- Transport materials, tools, or machines to installation sites, manually or using conveyance equipment.
- Provide assistance in the preparation, installation, repair, or rebuilding of tile, brick, or stone surfaces.
- Locate and supply materials to masons for installation, following drawings or numbered sequences.
- Move or position materials such as marble slabs, using cranes, hoists, or dollies.
- Remove excess grout or residue from tile or brick joints, using sponges or trowels.
- Apply grout between joints of bricks or tiles, using grouting trowels.
- Apply caulk, sealants, or other agents to installed surfaces.
- Correct surface imperfections or fill chipped, cracked, or broken bricks or tiles, using fillers, adhesives, or grouting materials.
- Arrange or store materials, machines, tools, or equipment.
- Clean installation surfaces, equipment, tools, work sites, or storage areas, using water, chemical solutions, oxygen lances, or polishing machines.
- Remove damaged tile, brick, or mortar, and clean or prepare surfaces, using pliers, hammers, chisels, drills, wire brushes, or metal wire anchors.
- Clean and oil pulleys, blocks, and cables.
- Maintain and adjust machinery to ensure proper performance.
- Repair or replace defective parts of machinery, such as rotary drill rigs, water trucks, air compressors, and pumps, using hand tools.
- Train crews, and introduce procedures to make drill work more safe and effective.
- Observe pressure gauge and move throttles and levers to control the speed of rotary tables, and to regulate pressure of tools at bottoms of boreholes.
- Count sections of drill rod to determine depths of boreholes.
- Push levers and brake pedals to control gasoline, diesel, electric, or steam draw works that lower and raise drill pipes and casings in and out of wells.
- Connect sections of drill pipe, using hand tools and powered wrenches and tongs.
- Maintain records of footage drilled, location and nature of strata penetrated, materials and tools used, services rendered, and time required.
- Start and examine operation of slush pumps to ensure circulation and consistency of drilling fluid or mud in well.
- Locate and recover lost or broken bits, casings, and drill pipes from wells, using special tools.
- Weigh clay, and mix with water and chemicals to make drilling mud.
- Direct rig crews in drilling and other activities, such as setting up rigs and completing or servicing wells.
- Monitor progress of drilling operations, and select and change drill bits according to the nature of strata, using hand tools.
- Bolt together pump and engine parts, and connect tanks and flow lines.
- Remove core samples during drilling to determine the nature of the strata being drilled.
- Cap wells with packers, or turn valves, to regulate outflow of oil from wells.
- Line drilled holes with pipes, and install all necessary hardware, to prepare new wells.
- Position and prepare truck-mounted derricks at drilling areas specified on field maps.
- Plug observation wells, and restore sites.
- Lower and explode charges in boreholes to start flow of oil from wells.
- Dig holes, set forms, and mix and pour concrete, for foundations of steel or wooden derricks.
- Clean and oil pulleys, blocks, and cables.
- Maintain and adjust machinery to ensure proper performance.
- Repair or replace defective parts of machinery, such as rotary drill rigs, water trucks, air compressors, and pumps, using hand tools.
- Clean installation site, mixing and storage areas, tools, machines, and equipment, and store materials and equipment.
- Wash polished terrazzo surface, using cleaner and water, and apply sealer and curing agent according to manufacturer's specifications, using brush or sprayer.
- Clean chipped area, using wire brush, and feel and observe surface to determine if it is rough or uneven.
- Measure designated amounts of ingredients for terrazzo or grout, according to standard formulas and specifications, using graduated containers and scales, and load ingredients into portable mixer.
- Grind surfaces with a power grinder, or polish surfaces with polishing or surfacing machines.
- Cut metal division strips and press them into the terrazzo base for joints or changes of color to form designs or patterns or to help prevent cracks.
- Blend marble chip mixtures, place into panels, and push a roller over the surface to embed the chips.
- Modify mixing, grouting, grinding, or cleaning procedures, according to type of installation or material used.
- Spread, level, or smooth concrete or terrazzo mixtures to form bases or finished surfaces, using rakes, shovels, hand or power trowels, hand or power screeds, or floats.
- Grind curved surfaces or areas inaccessible to surfacing machine, such as stairways or cabinet tops, with portable hand grinder.
- Position and secure moisture membrane and wire mesh in preparation for pouring base materials for terrazzo installation.
- Fill slight grinding depressions with matching grout material and hand-trowel for a smooth, uniform surface.
- Sprinkle colored marble or stone chips, powdered steel, or coloring powder over surface to produce prescribed finish.
- Wet surface to prepare for bonding, fill holes and cracks with grout or slurry, and smooth with a trowel.
- Mix cement, sand, and water to produce concrete, grout, or slurry, using hoe, trowel, tamper, scraper, or concrete-mixing machine.
- Chip, scrape, or grind high spots, ridges, or rough projections to finish concrete, using pneumatic chisel, hand chisel, or other hand tools.
- Mold expansion joints and edges, using edging tools, jointers, or straightedges.
- Move terrazzo installation materials, tools, machines, or work devices to work areas, manually or using wheelbarrow.
- Repair concrete by cutting out damaged areas, drilling holes for reinforcing rods, and positioning reinforcing rods, using power saw and drill.
- Precast terrazzo blocks in wooden forms.
- Wet concrete surface and rub with stone to smooth surface and obtain specified finish.
- Build wooden molds, clamping molds around areas to be repaired, or setting up frames to the proper depth and alignment.
- Spread roofing paper on surface of foundation and spread concrete onto roofing paper with trowel to form terrazzo base.
- Produce rough concrete surface, using broom.
- Remove frames when the foundation is dry.
- Signal truck driver to position truck to facilitate pouring concrete and move chute to direct concrete on forms.
- Clean installation site, mixing and storage areas, tools, machines, and equipment, and store materials and equipment.
- Wash polished terrazzo surface, using cleaner and water, and apply sealer and curing agent according to manufacturer's specifications, using brush or sprayer.
- Clean chipped area, using wire brush, and feel and observe surface to determine if it is rough or uneven.
- Wash decks, conveyors, knives, and other equipment, using brushes, detergents, and water.
- Maintain and repair trapping equipment.
- Maintain engines, fishing gear, and other on-board equipment and perform minor repairs.
- Patrol trap lines or nets to inspect settings, remove catch, and reset or relocate traps.
- Obtain permission from landowners to hunt or trap on their land.
- Travel on foot, by vehicle, or by equipment such as boats, snowmobiles, helicopters, snowshoes, or skis to reach hunting areas.
- Steer vessels and operate navigational instruments.
- Skin quarry, using knives, and stretch pelts on frames to be cured.
- Scrape fat, blubber, or flesh from skin sides of pelts with knives or hand scrapers.
- Put fishing equipment into the water and anchor or tow equipment, according to the fishing method used.
- Sort, pack, and store catch in holds with salt and ice.
- Remove catches from fishing equipment and measure them to ensure compliance with legal size.
- Locate fish, using fish-finding equipment.
- Obtain required approvals for using poisons or traps, and notify persons in areas where traps and poison are set.
- Track animals by checking for signs such as droppings or destruction of vegetation.
- Compute positions and plot courses on charts to navigate vessels, using instruments such as compasses, sextants, and charts.
- Select, bait, and set traps, and lay poison along trails, according to species, size, habits, and environs of birds or animals and reasons for trapping them.
- Attach nets, slings, hooks, blades, or lifting devices to cables, booms, hoists, or dredges.
- Participate in animal damage control, wildlife management, disease control, and research activities.
- Transport fish to processing plants or to buyers.
- Interpret weather and vessel conditions to determine appropriate responses.
- Release quarry from traps or nets and transfer to cages.
- Kill or stun trapped quarry, using clubs, poisons, guns, or drowning methods.
- Wash and sort pelts according to species, color, and quality.
- Connect accessories such as floats, weights, flags, lights, or markers to nets, lines, or traps.
- Teach or guide individuals or groups unfamiliar with specific hunting methods or types of prey.
- Load and unload vessel equipment and supplies, by hand or using hoisting equipment.
- Harvest marine life for human or animal consumption, using diving or dredging equipment, traps, barges, rods, reels, or tackle.
- Direct fishing or hunting operations, and supervise crew members.
- Oversee the purchase of supplies, gear, and equipment.
- Wash decks, conveyors, knives, and other equipment, using brushes, detergents, and water.
- Maintain and repair trapping equipment.
- Maintain engines, fishing gear, and other on-board equipment and perform minor repairs.
- Clean work areas and equipment.
- Place articles to be stripped into stripping tanks.
- Perform support duties to assist painters, paperhangers, plasterers, or masons.
- Apply protective coverings, such as masking tape, to articles or areas that could be damaged or stained by work processes.
- Erect scaffolding.
- Fill cracks or breaks in surfaces of plaster articles or areas with putty or epoxy compounds.
- Supply or hold tools and materials.
- Smooth surfaces of articles to be painted, using sanding and buffing tools and equipment.
- Mix plaster, and carry plaster to plasterers.
- Remove articles such as cabinets, metal furniture, and paint containers from stripping tanks after prescribed periods of time.
- Pour specified amounts of chemical solutions into stripping tanks.
- Clean work areas and equipment.
- Place articles to be stripped into stripping tanks.
- Scrape or wash conveyors, using belt scrapers or belt washers, to minimize dust production.
- Repair, oil, and adjust machines, and change cutting teeth, using wrenches.
- Hang ventilation tubing and ventilation curtains to ensure that the mining face area is kept properly ventilated.
- Conduct methane gas checks to ensure breathing quality of air.
- Check the stability of roof and rib support systems before mining face areas.
- Operate mining machines to gather coal and convey it to floors or shuttle cars.
- Drive machines into position at working faces.
- Move controls to start and regulate movement of conveyors and to start and position drill cutters or torches.
- Reposition machines to make additional holes or cuts.
- Determine locations, boundaries, and depths of holes or channels to be cut.
- Observe and listen to equipment operation to detect binding or stoppage of tools or other equipment malfunctions.
- Install casings to prevent cave-ins.
- Move levers to raise and lower hydraulic safety bars supporting roofs above machines until other workers complete framing.
- Apply new technologies developed to minimize the environmental impact of coal mining.
- Guide and assist crews laying track and resetting supports and blocking.
- Scrape or wash conveyors, using belt scrapers or belt washers, to minimize dust production.
- Repair, oil, and adjust machines, and change cutting teeth, using wrenches.
- Inspect derricks for flaws, and clean and oil derricks to maintain proper working conditions.
- Repair pumps, mud tanks, and related equipment.
- Inspect derricks, or order their inspection, prior to being raised or lowered.
- Control the viscosity and weight of the drilling fluid.
- Set and bolt crown blocks to posts at tops of derricks.
- Listen to mud pumps and check regularly for vibration and other problems to ensure that rig pumps and drilling mud systems are working properly.
- Start pumps that circulate mud through drill pipes and boreholes to cool drill bits and flush out drill cuttings.
- Position and align derrick elements, using harnesses and platform climbing devices.
- Supervise crew members, and provide assistance in training them.
- Guide lengths of pipe into and out of elevators.
- Prepare mud reports, and instruct crews about the handling of any chemical additives.
- Clamp holding fixtures on ends of hoisting cables.
- Weigh clay, and mix with water and chemicals to make drilling mud, using portable mixers.
- String cables through pulleys and blocks.
- Steady pipes during connection to or disconnection from drill or casing strings.
- Inspect derricks for flaws, and clean and oil derricks to maintain proper working conditions.
- Repair pumps, mud tanks, and related equipment.
- Clean and prepare surfaces for applications of plaster, cement, stucco, or similar materials, such as by drywall taping.
- Cover surfaces such as windows, doors, or sidewalks to protect from splashing.
- Mix mortar and plaster to desired consistency or direct workers who perform mixing.
- Apply coats of plaster or stucco to walls, ceilings, or partitions of buildings, using trowels, brushes, or spray guns.
- Set up scaffolds.
- Determine materials needed to complete the job and place orders accordingly.
- Apply weatherproof, decorative coverings to exterior surfaces of buildings, such as by troweling or spraying on coats of stucco.
- Create decorative textures in finish coat, using brushes or trowels, sand, pebbles, or stones.
- Apply insulation to building exteriors by installing prefabricated insulation systems over existing walls or by covering the outer wall with insulation board, reinforcing mesh, and a base coat.
- Rough the undercoat surface with a scratcher so the finish coat will adhere.
- Cure freshly plastered surfaces.
- Install guide wires on exterior surfaces of buildings to indicate thickness of plaster or stucco and nail wire mesh, lath, or similar materials to the outside surface to hold stucco in place.
- Spray acoustic materials or texture finish over walls or ceilings.
- Mold or install ornamental plaster pieces, panels, or trim.
- Clean job sites.
- Clean and prepare surfaces for applications of plaster, cement, stucco, or similar materials, such as by drywall taping.
- Clean pressure vessel equipment, using scrapers, wire brushes, and cleaning solvents.
- Repair or replace defective pressure vessel parts, such as safety valves or regulators, using torches, jacks, caulking hammers, power saws, threading dies, welding equipment, or metalworking machinery.
- Attach rigging and signal crane or hoist operators to lift heavy frame and plate sections or other parts into place.
- Study blueprints to determine locations, relationships, or dimensions of parts.
- Locate and mark reference points for columns or plates on boiler foundations, following blueprints and using straightedges, squares, transits, or measuring instruments.
- Bolt or arc weld pressure vessel structures and parts together, using wrenches or welding equipment.
- Position, align, and secure structural parts or related assemblies to boiler frames, tanks, or vats of pressure vessels, following blueprints.
- Install manholes, handholes, taps, tubes, valves, gauges, or feedwater connections in drums of water tube boilers, using hand tools.
- Shape or fabricate parts, such as stacks, uptakes, or chutes, to adapt pressure vessels, heat exchangers, or piping to premises, using heavy-metalworking machines such as brakes, rolls, or drill presses.
- Assemble large vessels in an on-site fabrication shop prior to installation to ensure proper fit.
- Lay out plate, sheet steel, or other heavy metal and locate and mark bending and cutting lines, using protractors, compasses, and drawing instruments or templates.
- Examine boilers, pressure vessels, tanks, or vats to locate defects, such as leaks, weak spots, or defective sections, so that they can be repaired.
- Shape seams, joints, or irregular edges of pressure vessel sections or structural parts to attain specified fit of parts, using cutting torches, hammers, files, or metalworking machines.
- Inspect assembled vessels or individual components, such as tubes, fittings, valves, controls, or auxiliary mechanisms, to locate any defects.
- Straighten or reshape bent pressure vessel plates or structure parts, using hammers, jacks, or torches.
- Install refractory bricks or other heat-resistant materials in fireboxes of pressure vessels.
- Bell, bead with power hammers, or weld pressure vessel tube ends to ensure leakproof joints.
- Clean pressure vessel equipment, using scrapers, wire brushes, and cleaning solvents.
- Repair or replace defective pressure vessel parts, such as safety valves or regulators, using torches, jacks, caulking hammers, power saws, threading dies, welding equipment, or metalworking machinery.
- Inspect, clean, and repair drainage systems, bridges, tunnels, and other structures.
- Perform preventative maintenance on vehicles and heavy equipment.
- Set out signs and cones around work areas to divert traffic.
- Flag motorists to warn them of obstacles or repair work ahead.
- Drive trucks to transport crews and equipment to work sites.
- Erect, install, or repair guardrails, road shoulders, berms, highway markers, warning signals, and highway lighting, using hand tools and power tools.
- Clean and clear debris from culverts, catch basins, drop inlets, ditches, and other drain structures.
- Drive heavy equipment and vehicles with adjustable attachments to sweep debris from paved surfaces, mow grass and weeds, remove snow and ice, and spread salt and sand.
- Haul and spread sand, gravel, and clay to fill washouts and repair road shoulders.
- Remove litter and debris from roadways, including debris from rock and mud slides.
- Dump, spread, and tamp asphalt, using pneumatic tampers, to repair joints and patch broken pavement.
- Perform roadside landscaping work, such as clearing weeds and brush, and planting and trimming trees.
- Apply poisons along roadsides and in animal burrows to eliminate unwanted roadside vegetation and rodents.
- Measure and mark locations for installation of markers, using tape, string, or chalk.
- Paint traffic control lines and place pavement traffic messages, by hand or using machines.
- Apply oil to road surfaces, using sprayers.
- Inspect markers to verify accurate installation.
- Place and remove snow fences used to prevent the accumulation of drifting snow on highways.
- Blend compounds to form adhesive mixtures used for marker installation.
- Inspect, clean, and repair drainage systems, bridges, tunnels, and other structures.
- Perform preventative maintenance on vehicles and heavy equipment.
- Clean stalls, pens, and equipment, using disinfectant solutions, brushes, shovels, water hoses, or pumps.
- Inspect, maintain, and repair equipment, machinery, buildings, pens, yards, and fences.
- Feed and water livestock and monitor food and water supplies.
- Herd livestock to pastures for grazing or to scales, trucks, or other enclosures.
- Examine animals to detect illness, injury, or disease, and to check physical characteristics, such as rate of weight gain.
- Provide medical treatment, such as administering medications and vaccinations, or arrange for veterinarians to provide more extensive treatment.
- Mark livestock to identify ownership and grade, using brands, tags, paint, or tattoos.
- Drive trucks, tractors, and other equipment to distribute feed to animals.
- Segregate animals according to weight, age, color, and physical condition.
- Move equipment, poultry, or livestock from one location to another, manually or using trucks or carts.
- Mix feed, additives, and medicines in prescribed portions.
- Shift animals between grazing areas to ensure that they have sufficient access to food.
- Protect herds from predators, using trained dogs.
- Order food for animals, and arrange for its delivery.
- Perform duties related to livestock reproduction, such as breeding animals within appropriate timeframes, performing artificial inseminations, and helping with animal births.
- Patrol grazing lands on horseback or using all-terrain vehicles.
- Collect, inspect, and place eggs in incubators, operate machines for egg washing, candling, and grading, and pack eggs in cartons.
- Maintain growth, feeding, production, and cost records.
- Groom, clip, trim, or castrate animals, dock ears and tails, or shear coats to collect hair.
- Spray livestock with disinfectants and insecticides, or dip or bathe animals.
- Trim and shear poultry beaks, toes, and wings using debeaking machines, heated hand shears, or hot wires.
- Milk animals such as cows and goats, by hand or using milking machines.
- Clean stalls, pens, and equipment, using disinfectant solutions, brushes, shovels, water hoses, or pumps.
- Inspect, maintain, and repair equipment, machinery, buildings, pens, yards, and fences.
- Maintain tools, vehicles, and equipment and keep parts and supplies in order.
- Clean work area and wash parts.
- Strip insulation from wire ends, using wire stripping pliers, and attach wires to terminals for subsequent soldering.
- Trace out short circuits in wiring, using test meter.
- Measure, cut, and bend wire and conduit, using measuring instruments and hand tools.
- Examine electrical units for loose connections and broken insulation and tighten connections, using hand tools.
- Drill holes and pull or push wiring through openings, using hand and power tools.
- Perform semi-skilled and unskilled laboring duties related to the installation, maintenance and repair of a wide variety of electrical systems and equipment.
- Thread conduit ends, connect couplings, and fabricate and secure conduit support brackets, using hand tools.
- Disassemble defective electrical equipment, replace defective or worn parts, and reassemble equipment, using hand tools.
- Construct controllers and panels, using power drills, drill presses, taps, saws, and punches.
- Transport tools, materials, equipment, and supplies to work site by hand, handtruck, or heavy, motorized truck.
- String transmission lines or cables through ducts or conduits, under the ground, through equipment, or to towers.
- Install copper-clad ground rods, using a manual post driver.
- Dig trenches or holes for installation of conduit or supports.
- Raise, lower, or position equipment, tools, and materials, using hoist, hand line, or block and tackle.
- Bolt component parts together to form tower assemblies, using hand tools.
- Erect electrical system components and barricades, and rig scaffolds, hoists, and shoring.
- Trim trees and clear undergrowth along right-of-way.
- Requisition materials, using warehouse requisition or release forms.
- Solder electrical connections, using soldering iron.
- Paint a variety of objects related to electrical functions.
- Break up concrete, using airhammer, to facilitate installation, construction, or repair of equipment.
- Operate heavy equipment, such as backhoes.
- Operate cutting torches and welding equipment, while working with conduit and metal components to construct devices associated with electrical functions.
- Maintain tools, vehicles, and equipment and keep parts and supplies in order.
- Clean work area and wash parts.
- Disinfect, reconstruct, and redevelop contaminated wells and water pumping systems, and clean and disinfect new wells in preparation for use.
- Perform routine maintenance and upgrade work on machines and equipment, such as replacing parts, building up drill bits, and lubricating machinery.
- Operate controls to stabilize machines and to position and align drills.
- Start, stop, and control drilling speed of machines and insertion of casings into holes.
- Regulate air pressure, rotary speed, and downward pressure, according to the type of rock or concrete being drilled.
- Select and attach drill bits and drill rods, adding more rods as hole depths increase, and changing drill bits as needed.
- Drive or guide truck-mounted equipment into position, level and stabilize rigs, and extend telescoping derricks.
- Operate machines to flush earth cuttings or to blow dust from holes.
- Verify depths and alignments of boring positions.
- Select the appropriate drill for the job, using knowledge of rock or soil conditions.
- Document geological formations encountered during work.
- Drive trucks, tractors, or truck-mounted drills to and from work sites.
- Assemble and position machines, augers, casing pipes, and other equipment, using hand and power tools.
- Record drilling progress and geological data.
- Retrieve lost equipment from bore holes, using retrieval tools and equipment.
- Fabricate well casings.
- Pour water into wells, or pump water or slush into wells to cool drill bits and to remove drillings.
- Create and lay out designs for drill and blast patterns.
- Place and install screens, casings, pumps, and other well fixtures to develop wells.
- Operate water-well drilling rigs and other equipment to drill, bore, and dig for water wells or for environmental assessment purposes.
- Review client requirements and proposed locations for drilling operations to determine feasibility, and to determine cost estimates.
- Drill or bore holes in rock for blasting, grouting, anchoring, or building foundations.
- Perform pumping tests to assess well performance.
- Design well pumping systems.
- Signal crane operators to move equipment.
- Withdraw drill rods from holes, and extract core samples.
- Inspect core samples to determine nature of strata, or take samples to laboratories for analysis.
- Retract augers to force discharge dirt from holes.
- Observe electronic graph recorders and flow meters that monitor the water used to flush debris from holes.
- Monitor drilling operations, by checking gauges and listening to equipment to assess drilling conditions and to determine the need to adjust drilling or alter equipment.
- Disinfect, reconstruct, and redevelop contaminated wells and water pumping systems, and clean and disinfect new wells in preparation for use.
- Perform routine maintenance and upgrade work on machines and equipment, such as replacing parts, building up drill bits, and lubricating machinery.
- Clean, gauge, and lubricate gun ports.
- Repair and service blasting, shooting, and automotive equipment, and electrical wiring and instruments, using hand tools.
- Examine blast areas to determine amounts and kinds of explosive charges needed and to ensure that safety laws are observed.
- Tie specified lengths of delaying fuses into patterns in order to time sequences of explosions.
- Place safety cones around blast areas to alert other workers of danger zones, and signal workers as necessary to ensure that they clear blast sites prior to explosions.
- Place explosive charges in holes or other spots; then detonate explosives to demolish structures or to loosen, remove, or displace earth, rock, or other materials.
- Insert, pack, and pour explosives, such as dynamite, ammonium nitrate, black powder, or slurries into blast holes; then shovel drill cuttings, admit water into boreholes, and tamp material to compact charges.
- Mark patterns, locations, and depths of charge holes for drilling, and issue drilling instructions.
- Compile and keep gun and explosives records in compliance with local and federal laws.
- Measure depths of drilled blast holes, using weighted tape measures.
- Connect electrical wire to primers, and cover charges or fill blast holes with clay, drill chips, sand, or other material.
- Lay primacord between rows of charged blast holes, and tie cord into main lines to form blast patterns.
- Assemble and position equipment, explosives, and blasting caps in holes at specified depths, or load perforating guns or torpedoes with explosives.
- Verify detonation of charges by observing control panels, or by listening for the sounds of blasts.
- Move and store inventories of explosives, loaded perforating guns, and other materials, according to established safety procedures.
- Light fuses, drop detonating devices into wells or boreholes, or activate firing devices with plungers, dials, or buttons, in order to set off single or multiple blasts.
- Drive trucks to transport explosives and blasting equipment to blasting sites.
- Cut specified lengths of primacord and attach primers to cord ends.
- Maintain inventory levels, ordering new supplies as necessary.
- Set up and operate short-wave radio or field telephone equipment to transmit and receive blast information.
- Insert waterproof sealers, bullets, and/or powder charges into guns, and screw gun ports back into place.
- Connect gun chambers to electric detonating devices, and operate controls at panelboards, in order to detonate charges in guns or to ignite chemical charges.
- Lower perforating guns into wells, using hoists; then use measuring devices and instrument panels to position guns in correct positions for taking samples.
- Insert powder charges into chambers of sidewall sample-taking cylinders, and assemble cylinders, using special wrenches.
- Obtain samples of earth from sidewalls of well boreholes, using electrically exploding devices.
- Create and lay out designs for drill and blast patterns.
- Document geological formations encountered during work.
- Operate machines to flush earth cuttings or to blow dust from holes.
- Set up and operate equipment such as hoists, jackhammers, and drills, in order to bore charge holes.
- Signal crane operators to move equipment.
- Clean, gauge, and lubricate gun ports.
- Repair and service blasting, shooting, and automotive equipment, and electrical wiring and instruments, using hand tools.
- Clean work areas, and maintain grounds and landscaping.
- Repair and maintain farm vehicles, implements, and mechanical equipment.
- Record information about crops, such as pesticide use, yields, or costs.
- Direct and monitor the work of casual and seasonal help during planting and harvesting.
- Participate in the inspection, grading, sorting, storage, and post-harvest treatment of crops.
- Harvest plants, and transplant or pot and label them.
- Harvest fruits and vegetables by hand.
- Set up and operate irrigation equipment.
- Inform farmers or farm managers of crop progress.
- Identify plants, pests, and weeds to determine the selection and application of pesticides and fertilizers.
- Operate tractors, tractor-drawn machinery, and self-propelled machinery to plow, harrow and fertilize soil, or to plant, cultivate, spray and harvest crops.
- Load agricultural products into trucks, and drive trucks to market or storage facilities.
- Sell and deliver plants and flowers to customers.
- Sow grass seed, or plant plugs of grass.
- Regulate greenhouse conditions, and indoor and outdoor irrigation systems.
- Cut, roll, and stack sod.
- Feel plants' leaves and note their coloring to detect the presence of insects or disease.
- Provide information and advice to the public regarding the selection, purchase, and care of products.
- Maintain and repair irrigation and climate control systems.
- Dig, cut, and transplant seedlings, cuttings, trees, and shrubs.
- Record information about plants and plant growth.
- Maintain inventory, ordering materials as required.
- Dig, rake, and screen soil, filling cold frames and hot beds in preparation for planting.
- Inspect plants and bud ties to assess quality.
- Trap and destroy pests, such as moles, gophers, and mice, using pesticides.
- Move containerized shrubs, plants, and trees, using wheelbarrows or tractors.
- Tie and bunch flowers, plants, shrubs, and trees, wrap their roots, and pack them into boxes to fill orders.
- Haul and spread topsoil, fertilizer, peat moss, and other materials to condition soil, using wheelbarrows or carts and shovels.
- Repair farm buildings, fences, and other structures.
- Plant, spray, weed, fertilize, water, and prune plants, shrubs, and trees, using gardening tools.
- Clean work areas, and maintain grounds and landscaping.
- Repair and maintain farm vehicles, implements, and mechanical equipment.
- Clean, lubricate, and refill equipment.
- Move hand and foot levers of hoisting equipment to position piling leads, hoist piling into leads, and position hammers over pilings.
- Move levers and turn valves to activate power hammers, or to raise and lower drophammers that drive piles to required depths.
- Drive pilings to provide support for buildings or other structures, using heavy equipment with a pile driver head.
- Conduct pre-operational checks on equipment to ensure proper functioning.
- Clean, lubricate, and refill equipment.
- Clean work areas, machines, or equipment, to maintain a clean and safe job site.
- Fasten timbers or lumber with glue, screws, pegs, or nails and install hardware.
- Perform tie spacing layout and measure, mark, drill or cut.
- Select tools, equipment, or materials from storage and transport items to work site.
- Drill holes in timbers or lumber.
- Cut timbers, lumber, or paneling to specified dimensions.
- Position and hold timbers, lumber, or paneling in place for fastening or cutting.
- Align, straighten, plumb, or square forms for installation.
- Hold plumb bobs, sighting rods, or other equipment to aid in establishing reference points and lines.
- Erect scaffolding, shoring, or braces.
- Construct forms and assist in raising them to the required elevation.
- Install handrails under the direction of a carpenter.
- Glue and clamp edges or joints of assembled parts.
- Smooth or sand surfaces to remove ridges, tool marks, glue, or caulking.
- Secure stakes to grids for constructions of footings, nail scabs to footing forms, and vibrate and float concrete.
- Cut and install insulating or sound-absorbing material.
- Cut tile or linoleum to fit and spread adhesives on flooring for installation.
- Cover surfaces with laminated plastic covering material.
- Clean work areas, machines, or equipment, to maintain a clean and safe job site.
- Maintain campsites or recreational areas, replenishing firewood or other supplies and cleaning kitchens or restrooms.
- Check equipment to ensure that it is operating properly.
- Fight forest fires or perform prescribed burning tasks under the direction of fire suppression officers or forestry technicians.
- Perform fire protection or suppression duties, such as constructing fire breaks or disposing of brush.
- Confer with other workers to discuss issues, such as safety, cutting heights, or work needs.
- Maintain tallies of trees examined and counted during tree marking or measuring efforts.
- Explain or enforce regulations regarding camping, vehicle use, fires, use of buildings, or sanitation.
- Operate skidders, bulldozers, or other prime movers to pull a variety of scarification or site preparation equipment over areas to be regenerated.
- Spray or inject vegetation with insecticides to kill insects or to protect against disease or with herbicides to reduce competing vegetation.
- Thin or space trees, using power thinning saws.
- Identify diseased or undesirable trees and remove them, using power saws or hand saws.
- Select or cut trees according to markings or sizes, types, or grades.
- Prune or shear tree tops or limbs to control growth, increase density, or improve shape.
- Examine and grade trees according to standard charts and staple color-coded grade tags to limbs.
- Drag cut trees from cutting areas and load trees onto trucks.
- Erect signs or fences, using posthole diggers, shovels, or other hand tools.
- Select tree seedlings, prepare the ground, or plant the trees in reforestation areas, using manual planting tools.
- Provide assistance to forest survey crews by clearing site-lines, holding measuring tools, or setting stakes.
- Sort tree seedlings, discarding substandard seedlings, according to standard charts or verbal instructions.
- Maintain campsites or recreational areas, replenishing firewood or other supplies and cleaning kitchens or restrooms.
- Inspect, clean, maintain, and repair equipment, using mechanics' hand tools, or report malfunctions to supervisors.
- Start machine, engage clutch, and push and move levers to guide machine along forms or guidelines and to control the operation of machine attachments.
- Fill tanks, hoppers, or machines with paving materials.
- Control paving machines to push dump trucks and to maintain a constant flow of asphalt or other material into hoppers or screeds.
- Observe distribution of paving material to adjust machine settings or material flow, and indicate low spots for workers to add material.
- Coordinate truck dumping.
- Drive machines onto truck trailers, and drive trucks to transport machines and material to and from job sites.
- Set up and tear down equipment.
- Operate machines to spread, smooth, level, or steel-reinforce stone, concrete, or asphalt on road beds.
- Light burners or start heating units of machines, and regulate screed temperatures and asphalt flow rates.
- Control traffic.
- Shovel blacktop.
- Operate tamping machines or manually roll surfaces to compact earth fills, foundation forms, and finished road materials, according to grade specifications.
- Operate oil distributors, loaders, chip spreaders, dump trucks, and snow plows.
- Place strips of material, such as cork, asphalt, or steel into joints, or place rolls of expansion-joint material on machines that automatically insert material.
- Drive and operate curbing machines to extrude concrete or asphalt curbing.
- Operate machines that clean or cut expansion joints in concrete or asphalt and that rout out cracks in pavement.
- Cut or break up pavement and drive guardrail posts, using machines equipped with interchangeable hammers.
- Install dies, cutters, and extensions to screeds onto machines, using hand tools.
- Set up forms and lay out guidelines for curbs, according to written specifications, using string, spray paint, and concrete or water mixes.
- Inspect, clean, maintain, and repair equipment, using mechanics' hand tools, or report malfunctions to supervisors.
- Maintain equipment, making repairs or modifications when necessary.
- Fabricate ducts for high efficiency heating, ventilating, and air conditioning (HVAC) systems to maximize efficiency of systems.
- Fasten seams or joints together with welds, bolts, cement, rivets, solder, caulks, metal drive clips, or bonds to assemble components into products or to repair sheet metal items.
- Transport prefabricated parts to construction sites for assembly and installation.
- Install assemblies, such as flashing, pipes, tubes, heating and air conditioning ducts, furnace casings, rain gutters, or downspouts in supportive frameworks.
- Hire, train, or supervise new employees or apprentices.
- Lay out, measure, and mark dimensions and reference lines on material, such as roofing panels, using calculators, scribes, dividers, squares, or rulers.
- Fabricate or alter parts at construction sites, using shears, hammers, punches, or drills.
- Determine project requirements, such as scope, assembly sequences, or required methods or materials, using blueprints, drawings, or written or verbal instructions.
- Maneuver completed roofing units into position for installation.
- Select gauges or types of sheet metal or nonmetallic material, according to product specifications.
- Shape metal material over anvils, blocks, or other forms, using hand tools.
- Trim, file, grind, deburr, buff, or smooth surfaces, seams, or joints of assembled parts, using hand tools or portable power tools.
- Inspect individual parts, assemblies, or installations, using measuring instruments, such as calipers, scales, or micrometers.
- Develop or lay out patterns, using computerized metalworking equipment.
- Convert blueprints into shop drawings to be followed in the construction or assembly of sheet metal products.
- Perform sheet metal work necessary for solar panel installations.
- Verify that heating, ventilating, and air conditioning (HVAC) systems are designed, installed, and calibrated in accordance with green certification standards, such as those of Leadership in Energy and Environmental Design (LEED).
- Secure metal roof panels in place by interlocking and fastening grooved panel edges.
- Perform building commissioning activities by completing mechanical inspections of a building's water, lighting, or heating, ventilating, and air conditioning (HVAC) systems.
- Fasten roof panel edges or machine-made moldings to structures by nailing or welding.
- Finish parts, using hacksaws or hand, rotary, or squaring shears.
- Maintain equipment, making repairs or modifications when necessary.
- Feed and water animals, and clean and disinfect pens, cages, yards, and hutches.
- Observe animals in heat to detect approach of estrus and exercise animals to induce or hasten estrus, if necessary.
- Treat minor injuries and ailments and contact veterinarians to obtain treatment for animals with serious illnesses or injuries.
- Purchase and stock supplies of feed and medicines.
- Select animals to be bred, and semen specimens to be used, according to knowledge of animals, genealogies, traits, and desired offspring characteristics.
- Examine animals to detect symptoms of illness or injury.
- Build hutches, pens, and fenced yards.
- Record animal characteristics such as weights, growth patterns, and diets.
- Brand, tattoo, or tag animals to allow animal identification.
- Arrange for sale of animals and eggs to hospitals, research centers, pet shops, and food processing plants.
- Place vaccines in drinking water, inject vaccines, or dust air with vaccine powder to protect animals from diseases.
- Bathe and groom animals.
- Exercise animals to keep them in healthy condition.
- Adjust controls to maintain specific building temperatures required for animals' health and safety.
- Maintain logs of semen specimens used and animals bred.
- Inject prepared animal semen into female animals for breeding purposes, by inserting nozzle of syringe into vagina and depressing syringe plunger.
- Prepare containers of semen for freezing and storage or shipment, placing them in dry ice or liquid nitrogen.
- Clip or shear hair on animals.
- Package and label semen to be used for artificial insemination, recording information such as the date, source, quality, and concentration.
- Exhibit animals at shows.
- Measure specified amounts of semen into calibrated syringes, and insert syringes into inseminating guns.
- Examine semen microscopically to assess and record density and motility of gametes, and dilute semen with prescribed diluents, according to formulas.
- Attach rubber collecting sheaths to genitals of tethered bull and stimulate animal's organ to induce ejaculation.
- Perform procedures such as animal dehorning or castration.
- Feed and water animals, and clean and disinfect pens, cages, yards, and hutches.
- Repair and maintain equipment, making emergency adjustments or assisting with major repairs as necessary.
- Learn and follow safety regulations.
- Take actions to avoid potential hazards or obstructions, such as utility lines, other equipment, other workers, or falling objects.
- Start engines, move throttles, switches, or levers, or depress pedals to operate machines, such as bulldozers, trench excavators, road graders, or backhoes.
- Coordinate machine actions with other activities, positioning or moving loads in response to hand or audio signals from crew members.
- Align machines, cutterheads, or depth gauge makers with reference stakes and guidelines or ground or position equipment, following hand signals of other workers.
- Locate underground services, such as pipes or wires, prior to beginning work.
- Signal operators to guide movement of tractor-drawn machines.
- Load and move dirt, rocks, equipment, or other materials, using trucks, crawler tractors, power cranes, shovels, graders, or related equipment.
- Drive and maneuver equipment equipped with blades in successive passes over working areas to remove topsoil, vegetation, or rocks or to distribute and level earth or terrain.
- Operate tractors or bulldozers to perform such tasks as clearing land, mixing sludge, trimming backfills, or building roadways or parking lots.
- Monitor operations to ensure that health and safety standards are met.
- Connect hydraulic hoses, belts, mechanical linkages, or power takeoff shafts to tractors.
- Select and fasten bulldozer blades or other attachments to tractors, using hitches.
- Operate loaders to pull out stumps, rip asphalt or concrete, rough-grade properties, bury refuse, or perform general cleanup.
- Operate equipment to demolish or remove debris or to remove snow from streets, roads, or parking lots.
- Keep records of material or equipment usage or problems encountered.
- Adjust handwheels and depress pedals to control attachments, such as blades, buckets, scrapers, or swing booms.
- Check fuel supplies at sites to ensure adequate availability.
- Perform specialized work, using equipment, such as pile drivers, dredging rigs, drillers, or concrete pumpers.
- Talk to clients and study instructions, plans, or diagrams to establish work requirements.
- Drive tractor-trailer trucks to move equipment from site to site.
- Push other equipment when extra traction or assistance is required.
- Operate road watering, oiling, or rolling equipment, or street sealing equipment, such as chip spreaders.
- Operate compactors, scrapers, or rollers to level, compact, or cover refuse at disposal grounds.
- Test atmosphere for adequate oxygen or explosive conditions when working in confined spaces.
- Compile cost estimates for jobs.
- Turn valves to control air or water output of compressors or pumps.
- Repair and maintain equipment, making emergency adjustments or assisting with major repairs as necessary.
- Modify, clean, or maintain pipe systems, units, fittings, or related machines or equipment, using hand or power tools.
- Shut off steam, water, or other gases or liquids from pipe sections, using valve keys or wrenches.
- Install underground storm, sanitary, or water piping systems, extending piping as needed to connect fixtures and plumbing.
- Assemble pipe sections, tubing, or fittings, using couplings, clamps, screws, bolts, cement, plastic solvent, caulking, or soldering, brazing, or welding equipment.
- Locate and mark the position of pipe installations, connections, passage holes, or fixtures in structures, using measuring instruments such as rulers or levels.
- Cut, thread, or hammer pipes to specifications, using tools such as saws, cutting torches, pipe threaders, or pipe benders.
- Lay out full scale drawings of pipe systems, supports, or related equipment, according to blueprints.
- Plan pipe system layout, installation, or repair, according to specifications.
- Review blueprints, building codes, or specifications to determine work details or procedures.
- Select pipe sizes, types, or related materials, such as supports, hangers, or hydraulic cylinders, according to specifications.
- Fill pipes or plumbing fixtures with water or air and observe pressure gauges to detect and locate leaks.
- Direct helpers engaged in pipe cutting, preassembly, or installation of plumbing systems or components.
- Inspect, examine, or test installed systems or pipe lines, using pressure gauge, hydrostatic testing, observation, or other methods.
- Install pipe assemblies, fittings, valves, appliances such as dishwashers or water heaters, or fixtures such as sinks or toilets, using hand or power tools.
- Anchor steel supports from ceiling joists to hold pipes in place.
- Attach pipes to walls, structures, or fixtures, such as radiators or tanks, using brackets, clamps, tools, or welding equipment.
- Install automatic controls to regulate pipe systems.
- Estimate time, material, or labor costs for use in project plans.
- Keep records of work assignments.
- Inspect structures to assess material or equipment needs, to establish the sequence of pipe installations, or to plan installation around obstructions, such as electrical wiring.
- Maintain or repair plumbing by replacing defective washers, replacing or mending broken pipes, or opening clogged drains.
- Repair or remove and replace system components.
- Cut openings in structures to accommodate pipes or pipe fittings, using hand or power tools.
- Install green plumbing equipment, such as faucet flow restrictors, dual-flush or pressure-assisted flush toilets, or tankless hot water heaters.
- Inspect work sites for obstructions or holes that could cause structural weakness.
- Install pipe systems to support alternative energy-fueled systems, such as geothermal heating or cooling systems.
- Install fixtures, appliances, or equipment designed to reduce water or energy consumption.
- Repair hydraulic or air pumps.
- Weld small pipes or special piping, using specialized techniques, equipment, or materials, such as computer-assisted welding or microchip fabrication.
- Operate motorized pumps to remove water from flooded manholes, basements, or facility floors.
- Modify, clean, or maintain pipe systems, units, fittings, or related machines or equipment, using hand or power tools.
