- Perform laboratory tests on samples collected, such as analyzing the content of contaminated wastewater.
Occupations with related tasks Save Table: XLSX CSV
| Closely Related Tasks | All Related Tasks | Job Zone | Code | Occupation |
| 2 | 4 | 2 | 51-9061.00 | Inspectors, Testers, Sorters, Samplers, and Weighers |
| 2 | 2 | 2 | 51-9023.00 | Mixing and Blending Machine Setters, Operators, and Tenders |
| 2 | 2 | 2 | 51-9012.00 | Separating, Filtering, Clarifying, Precipitating, and Still Machine Setters, Operators, and Tenders |
| 2 | 2 | 2 | 51-9021.00 | Crushing, Grinding, and Polishing Machine Setters, Operators, and Tenders |
| 1 | 2 | 2 | 51-8091.00 | Chemical Plant and System Operators |
| 1 | 2 | 2 | 51-8092.00 | Gas Plant Operators |
| 1 | 2 | 2 | 51-8093.00 | Petroleum Pump System Operators, Refinery Operators, and Gaugers |
| 1 | 2 | 1 | 51-6011.00 | Laundry and Dry-Cleaning Workers |
| 1 | 1 | 3 | 51-8031.00 | Water and Wastewater Treatment Plant and System Operators |
| 1 | 1 | 2 | 51-9192.00 | Cleaning, Washing, and Metal Pickling Equipment Operators and Tenders |
| 1 | 1 | 3 | 49-2095.00 | Electrical and Electronics Repairers, Powerhouse, Substation, and Relay |
| 1 | 1 | 2 | 51-8013.03 | Biomass Plant Technicians |
| 1 | 1 | 2 | 51-9051.00 | Furnace, Kiln, Oven, Drier, and Kettle Operators and Tenders |
| 1 | 1 | 3 | 49-9043.00 | Maintenance Workers, Machinery 
|
| 1 | 1 | 2 | 51-9193.00 | Cooling and Freezing Equipment Operators and Tenders
|
| 1 | 1 | 2 | 51-9011.00 | Chemical Equipment Operators and Tenders |
| 1 | 1 | 2 | 49-9099.01 | Geothermal Technicians |
| 1 | 1 | 2 | 51-6061.00 | Textile Bleaching and Dyeing Machine Operators and Tenders |
| 1 | 1 | 3 | 51-8021.00 | Stationary Engineers and Boiler Operators |
| 1 | 1 | 3 | 49-9071.00 | Maintenance and Repair Workers, General
|
| 1 | 1 | 3 | 49-3011.00 | Aircraft Mechanics and Service Technicians |
- Check arriving materials to ensure that they match purchase orders, submitting discrepancy reports as necessary.
- Inspect or test raw materials, parts, or products to determine compliance with environmental standards.
- Analyze test data, making computations as necessary, to determine test results.
- Fabricate, install, position, or connect components, parts, finished products, or instruments for testing or operational purposes.
- Discard or reject products, materials, or equipment not meeting specifications.
- Mark items with details, such as grade or acceptance-rejection status.
- Measure dimensions of products to verify conformance to specifications, using measuring instruments, such as rulers, calipers, gauges, or micrometers.
- Notify supervisors or other personnel of production problems.
- Inspect, test, or measure materials, products, installations, or work for conformance to specifications.
- Write test or inspection reports describing results, recommendations, or needed repairs.
- Recommend necessary corrective actions, based on inspection results.
- Read dials or meters to verify that equipment is functioning at specified levels.
- Make minor adjustments to equipment, such as turning setscrews to calibrate instruments to required tolerances.
- Read blueprints, data, manuals, or other materials to determine specifications, inspection and testing procedures, adjustment methods, certification processes, formulas, or measuring instruments required.
- Monitor production operations or equipment to ensure conformance to specifications, making necessary process or assembly adjustments.
- Record inspection or test data, such as weights, temperatures, grades, or moisture content, and quantities inspected or graded.
- Position products, components, or parts for testing.
- Remove defects, such as chips, burrs, or lap corroded or pitted surfaces.
- Collect or select samples for testing or for use as models.
- Stack or arrange tested products for further processing, shipping, or packaging.
- Compare colors, shapes, textures, or grades of products or materials with color charts, templates, or samples to verify conformance to standards.
- Clean, maintain, calibrate, or repair measuring instruments or test equipment, such as dial indicators, fixed gauges, or height gauges.
- Administer tests to assess whether engineers or operators are qualified to use equipment.
- Monitor machines that automatically measure, sort, or inspect products.
- Interpret legal requirements, provide safety information, or recommend compliance procedures to contractors, craft workers, engineers, or property owners.
- Adjust, clean, or repair products or processing equipment to correct defects found during inspections.
- Compute usable amounts of items in shipments.
- Inspect or test cleantech or green technology parts, products, or installations, such as fuel cells, solar panels, or air quality devices, for conformance to specifications or standards.
- Grade, classify, or sort products according to sizes, weights, colors, or other specifications.
- Disassemble defective parts or components, such as inaccurate or worn gauges or measuring instruments.
- Weigh materials, products, containers, or samples to verify packaging weights or ingredient quantities.
- Compute defect percentages or averages, using formulas and calculators.
- Check arriving materials to ensure that they match purchase orders, submitting discrepancy reports as necessary.
- Inspect or test raw materials, parts, or products to determine compliance with environmental standards.
- Analyze test data, making computations as necessary, to determine test results.
- Fabricate, install, position, or connect components, parts, finished products, or instruments for testing or operational purposes.
- Examine materials, ingredients, or products visually or with hands to ensure conformance to established standards.
- Test samples of materials or products to ensure compliance with specifications, using test equipment.
- Weigh or measure materials, ingredients, or products to ensure conformance to requirements.
- Read work orders to determine production specifications or information.
- Observe production or monitor equipment to ensure safe and efficient operation.
- Mix or blend ingredients by starting machines and mixing for specified times.
- Stop mixing or blending machines when specified product qualities are obtained and open valves and start pumps to transfer mixtures.
- Compound or process ingredients or dyes, according to formulas.
- Operate or tend machines to mix or blend any of a wide variety of materials, such as spices, dough batter, tobacco, fruit juices, chemicals, livestock feed, food products, color pigments, or explosive ingredients.
- Dump or pour specified amounts of materials into machinery or equipment.
- Record operational or production data on specified forms.
- Collect samples of materials or products for laboratory testing.
- Unload mixtures into containers or onto conveyors for further processing.
- Clean work areas.
- Add or mix chemicals or ingredients for processing, using hand tools or other devices.
- Tend accessory equipment, such as pumps or conveyors, to move materials or ingredients through production processes.
- Transfer materials, supplies, or products between work areas, using moving equipment or hand tools.
- Clean and maintain equipment, using hand tools.
- Dislodge and clear jammed materials or other items from machinery or equipment, using hand tools.
- Open valves to drain slurry from mixers into storage tanks.
- Examine materials, ingredients, or products visually or with hands to ensure conformance to established standards.
- Test samples of materials or products to ensure compliance with specifications, using test equipment.
- Examine samples to verify qualities such as clarity, cleanliness, consistency, dryness, or texture.
- Test samples to determine viscosity, acidity, specific gravity, or degree of concentration, using test equipment such as viscometers, pH meters, or hydrometers.
- Dump, pour, or load specified amounts of refined or unrefined materials into equipment or containers for further processing or storage.
- Operate machines to process materials in compliance with applicable safety, energy, or environmental regulations.
- Monitor material flow or instruments, such as temperature or pressure gauges, indicators, or meters, to ensure optimal processing conditions.
- Turn valves or move controls to admit, drain, separate, filter, clarify, mix, or transfer materials.
- Set up or adjust machine controls to regulate conditions such as material flow, temperature, or pressure.
- Start agitators, shakers, conveyors, pumps, or centrifuge machines.
- Inspect machines or equipment for hazards, operating efficiency, malfunctions, wear, or leaks.
- Collect samples of materials or products for laboratory analysis.
- Communicate processing instructions to other workers.
- Turn valves to pump sterilizing solutions or rinse water through pipes or equipment or to spray vats with atomizers.
- Maintain logs of instrument readings, test results, or shift production for entry in computer databases.
- Remove clogs, defects, or impurities from machines, tanks, conveyors, screens, or other processing equipment.
- Clean or sterilize tanks, screens, inflow pipes, production areas, or equipment, using hoses, brushes, scrapers, or chemical solutions.
- Measure or weigh materials to be refined, mixed, transferred, stored, or otherwise processed.
- Install, maintain, or repair hoses, pumps, filters, or screens to maintain processing equipment, using hand tools.
- Connect pipes between vats and processing equipment.
- Assemble fittings, valves, bowls, plates, disks, impeller shafts, or other parts to prepare equipment for operation.
- Remove full containers from discharge outlets and replace them with empty containers.
- Pack bottles into cartons or crates, using machines.
- Examine samples to verify qualities such as clarity, cleanliness, consistency, dryness, or texture.
- Test samples to determine viscosity, acidity, specific gravity, or degree of concentration, using test equipment such as viscometers, pH meters, or hydrometers.
- Examine materials, ingredients, or products, visually or with hands, to ensure conformance to established standards.
- Test samples of materials or products to ensure compliance with specifications, using test equipment.
- Observe operation of equipment to ensure continuity of flow, safety, and efficient operation, and to detect malfunctions.
- Move controls to start, stop, or adjust machinery and equipment that crushes, grinds, polishes, or blends materials.
- Clean, adjust, and maintain equipment, using hand tools.
- Weigh or measure materials, ingredients, or products at specified intervals to ensure conformance to requirements.
- Read work orders to determine production specifications and information.
- Dislodge and clear jammed materials or other items from machinery and equipment, using hand tools.
- Tend accessory equipment, such as pumps and conveyors, to move materials or ingredients through production processes.
- Record data from operations, testing, and production on specified forms.
- Load materials into machinery and equipment, using hand tools.
- Clean work areas.
- Notify supervisors of needed repairs.
- Transfer materials, supplies, and products between work areas, using moving equipment and hand tools.
- Reject defective products and readjust equipment to eliminate problems.
- Inspect chains, belts, or scrolls for signs of wear.
- Collect samples of materials or products for laboratory testing.
- Set mill gauges to specified fineness of grind.
- Mark bins as to types of mixtures stored.
- Turn valves to regulate the moisture contents of materials.
- Add or mix chemicals and ingredients for processing, using hand tools or other devices.
- Break mixtures to size, using picks.
- Examine materials, ingredients, or products, visually or with hands, to ensure conformance to established standards.
- Test samples of materials or products to ensure compliance with specifications, using test equipment.
- Draw samples of products and conduct quality control tests to monitor processing and to ensure that standards are met.
- Interpret chemical reactions visible through sight glasses or on television monitors and review laboratory test reports for process adjustments.
- Monitor recording instruments, flowmeters, panel lights, or other indicators and listen for warning signals to verify conformity of process conditions.
- Regulate or shut down equipment during emergency situations, as directed by supervisory personnel.
- Control or operate chemical processes or systems of machines, using panelboards, control boards, or semi-automatic equipment.
- Move control settings to make necessary adjustments on equipment units affecting speeds of chemical reactions, quality, or yields.
- Inspect operating units, such as towers, soap-spray storage tanks, scrubbers, collectors, or driers to ensure that all are functioning and to maintain maximum efficiency.
- Record operating data, such as process conditions, test results, or instrument readings.
- Patrol work areas to ensure that solutions in tanks or troughs are not in danger of overflowing.
- Turn valves to regulate flow of products or byproducts through agitator tanks, storage drums, or neutralizer tanks.
- Confer with technical and supervisory personnel to report or resolve conditions affecting safety, efficiency, or product quality.
- Start pumps to wash and rinse reactor vessels, to exhaust gases or vapors, to regulate the flow of oil, steam, air, or perfume to towers, or to add products to converter or blending vessels.
- Notify maintenance, stationary engineering, or other auxiliary personnel to correct equipment malfunctions or to adjust power, steam, water, or air supplies.
- Repair or replace damaged equipment.
- Gauge tank levels, using calibrated rods.
- Calculate material requirements or yields according to formulas.
- Direct workers engaged in operating machinery that regulates the flow of materials and products.
- Supervise the cleaning of towers, strainers, or spray tips.
- Defrost frozen valves, using steam hoses.
- Draw samples of products and conduct quality control tests to monitor processing and to ensure that standards are met.
- Interpret chemical reactions visible through sight glasses or on television monitors and review laboratory test reports for process adjustments.
- Test gas, chemicals, and air during processing to assess factors such as purity and moisture content, and to detect quality problems or gas or chemical leaks.
- Calculate gas ratios to detect deviations from specifications, using testing apparatus.
- Monitor equipment functioning, observe temperature, level, and flow gauges, and perform regular unit checks to ensure that all equipment is operating as it should.
- Distribute or process gas for utility companies or industrial plants, using panel boards, control boards, and semi-automatic equipment.
- Control operation of compressors, scrubbers, evaporators, and refrigeration equipment to liquefy, compress, or regasify natural gas.
- Control equipment to regulate flow and pressure of gas to feedlines of boilers, furnaces, and related steam-generating or heating equipment.
- Record, review, and compile operations records, test results, and gauge readings such as temperatures, pressures, concentrations, and flows.
- Determine causes of abnormal pressure variances, and make corrective recommendations, such as installation of pipes to relieve overloading.
- Adjust temperature, pressure, vacuum, level, flow rate, or transfer of gas to maintain processes at required levels or to correct problems.
- Collaborate with other operators to solve unit problems.
- Monitor transportation and storage of flammable and other potentially dangerous products to ensure that safety guidelines are followed.
- Start and shut down plant equipment.
- Read logsheets to determine product demand and disposition, or to detect malfunctions.
- Contact maintenance crews when necessary.
- Clean, maintain, and repair equipment, using hand tools, or request that repair and maintenance work be performed.
- Signal or direct workers who tend auxiliary equipment.
- Control fractioning columns, compressors, purifying towers, heat exchangers, and related equipment to extract nitrogen and oxygen from air.
- Operate construction equipment to install and maintain gas distribution systems.
- Change charts in recording meters.
- Test gas, chemicals, and air during processing to assess factors such as purity and moisture content, and to detect quality problems or gas or chemical leaks.
- Calculate gas ratios to detect deviations from specifications, using testing apparatus.
- Perform tests to check the qualities and grades of products, such as assessing levels of bottom sediment, water, and foreign materials in oil samples, using centrifugal testers.
- Calculate test result values, using standard formulas.
- Signal other workers by telephone or radio to operate pumps, open and close valves, and check temperatures.
- Maintain and repair equipment, or report malfunctioning equipment to supervisors so that repairs can be scheduled.
- Monitor process indicators, instruments, gauges, and meters to detect and report any possible problems.
- Start pumps and open valves or use automated equipment to regulate the flow of oil in pipelines and into and out of tanks.
- Operate control panels to coordinate and regulate process variables such as temperature and pressure, and to direct product flow rate, according to process schedules.
- Verify that incoming and outgoing products are moving through the correct meters, and that meters are working properly.
- Patrol units to monitor the amount of oil in storage tanks, and to verify that activities and operations are safe, efficient, and in compliance with regulations.
- Plan movement of products through lines to processing, storage, and shipping units, using knowledge of system interconnections and capacities.
- Control or operate manifold and pumping systems to circulate liquids through a petroleum refinery.
- Operate auxiliary equipment and control multiple processing units during distilling or treating operations, moving controls that regulate valves, pumps, compressors, and auxiliary equipment.
- Collect product samples by turning bleeder valves, or by lowering containers into tanks to obtain oil samples.
- Read automatic gauges at specified intervals to determine the flow rate of oil into or from tanks, and the amount of oil in tanks.
- Synchronize activities with other pumphouses to ensure a continuous flow of products and a minimum of contamination between products.
- Record and compile operating data, instrument readings, documentation, and results of laboratory analyses.
- Conduct general housekeeping of units, including wiping up oil spills and performing general cleaning duties.
- Inspect pipelines, tightening connections and lubricating valves as necessary.
- Read and analyze specifications, schedules, logs, test results, and laboratory recommendations to determine how to set equipment controls to produce the required qualities and quantities of products.
- Clean interiors of processing units by circulating chemicals and solvents within units.
- Clamp seals around valves to secure tanks.
- Coordinate shutdowns and major projects.
- Prepare calculations for receipts and deliveries of oil and oil products.
- Lower thermometers into tanks to obtain temperature readings.
- Perform tests to check the qualities and grades of products, such as assessing levels of bottom sediment, water, and foreign materials in oil samples, using centrifugal testers.
- Calculate test result values, using standard formulas.
- Identify articles' fabrics and original dyes by sight and touch, or by testing samples with fire or chemical reagents.
- Test fabrics in inconspicuous places to determine whether solvents will damage dyes or fabrics.
- Load articles into washers or dry-cleaning machines, or direct other workers to perform loading.
- Start washers, dry cleaners, driers, or extractors, and turn valves or levers to regulate machine processes and the volume of soap, detergent, water, bleach, starch, and other additives.
- Operate extractors and driers, or direct their operation.
- Remove items from washers or dry-cleaning machines, or direct other workers to do so.
- Sort and count articles removed from dryers, and fold, wrap, or hang them.
- Clean machine filters, and lubricate equipment.
- Examine and sort into lots articles to be cleaned, according to color, fabric, dirt content, and cleaning technique required.
- Receive and mark articles for laundry or dry cleaning with identifying code numbers or names, using hand or machine markers.
- Apply bleaching powders to spots and spray them with steam to remove stains from fabrics that do not respond to other cleaning solvents.
- Determine spotting procedures and proper solvents, based on fabric and stain types.
- Spray steam, water, or air over spots to flush out chemicals, dry material, raise naps, or brighten colors.
- Pre-soak, sterilize, scrub, spot-clean, and dry contaminated or stained articles, using neutralizer solutions and portable machines.
- Mix bleaching agents with hot water in vats, and soak material until it is bleached.
- Apply chemicals to neutralize the effects of solvents.
- Mix and add detergents, dyes, bleaches, starches, and other solutions and chemicals to clean, color, dry, or stiffen articles.
- Sprinkle chemical solvents over stains, and pat areas with brushes or sponges to remove stains.
- Match sample colors, applying knowledge of bleaching agent and dye properties, and types, construction, conditions, and colors of articles.
- Inspect soiled articles to determine sources of stains, to locate color imperfections, and to identify items requiring special treatment.
- Operate dry-cleaning machines to clean soiled articles.
- Operate machines that comb, dry and polish furs, clean, sterilize and fluff feathers and blankets, or roll and package towels.
- Iron or press articles, fabrics, and furs, using hand irons or pressing machines.
- Hang curtains, drapes, blankets, pants, and other garments on stretch frames to dry.
- Clean fabrics, using vacuums or air hoses.
- Rinse articles in water and acetic acid solutions to remove excess dye and to fix colors.
- Start pumps to operate distilling systems that drain and reclaim dry cleaning solvents.
- Immerse articles in bleaching baths to strip colors.
- Spread soiled articles on work tables, and position stained portions over vacuum heads or on marble slabs.
- Mend and sew articles, using hand stitching, adhesive patches, or sewing machines.
- Dye articles to change or restore their colors, using knowledge of textile compositions and the properties and effects of bleaches and dyes.
- Wash, dry-clean, or glaze delicate articles or fur garment linings by hand, using mild detergents or dry cleaning solutions.
- Identify articles' fabrics and original dyes by sight and touch, or by testing samples with fire or chemical reagents.
- Test fabrics in inconspicuous places to determine whether solvents will damage dyes or fabrics.
- Collect and test water and sewage samples, using test equipment and color analysis standards.
- Add chemicals, such as ammonia, chlorine, or lime, to disinfect and deodorize water and other liquids.
- Record operational data, personnel attendance, or meter and gauge readings on specified forms.
- Operate and adjust controls on equipment to purify and clarify water, process or dispose of sewage, and generate power.
- Inspect equipment or monitor operating conditions, meters, and gauges to determine load requirements and detect malfunctions.
- Maintain, repair, and lubricate equipment, using hand tools and power tools.
- Clean and maintain tanks, filter beds, and other work areas, using hand tools and power tools.
- Direct and coordinate plant workers engaged in routine operations and maintenance activities.
- Collect and test water and sewage samples, using test equipment and color analysis standards.
- Draw samples for laboratory analysis, or test solutions for conformance to specifications, such as acidity or specific gravity.
- Add specified amounts of chemicals to equipment at required times to maintain solution levels and concentrations.
- Observe machine operations, gauges, or thermometers, and adjust controls to maintain specified conditions.
- Set controls to regulate temperature and length of cycles, and start conveyors, pumps, agitators, and machines.
- Drain, clean, and refill machines or tanks at designated intervals, using cleaning solutions or water.
- Operate or tend machines to wash and remove impurities from items such as barrels or kegs, glass products, tin plate surfaces, dried fruit, pulp, animal stock, coal, manufactured articles, plastic, or rubber.
- Record gauge readings, materials used, processing times, or test results in production logs.
- Examine and inspect machines to detect malfunctions.
- Measure, weigh, or mix cleaning solutions, using measuring tanks, calibrated rods or suction tubes.
- Adjust, clean, and lubricate mechanical parts of machines, using hand tools and grease guns.
- Load machines with objects to be processed and unload them after cleaning, placing them on conveyors or racks.
- Draw samples for laboratory analysis, or test solutions for conformance to specifications, such as acidity or specific gravity.
- Test oil in circuit breakers and transformers for dielectric strength, refilling oil periodically.
- Inspect and test equipment and circuits to identify malfunctions or defects, using wiring diagrams and testing devices such as ohmmeters, voltmeters, or ammeters.
- Prepare and maintain records detailing tests, repairs, and maintenance.
- Consult manuals, schematics, wiring diagrams, and engineering personnel to troubleshoot and solve equipment problems and to determine optimum equipment functioning.
- Analyze test data to diagnose malfunctions, to determine performance characteristics of systems, or to evaluate effects of system modifications.
- Open and close switches to isolate defective relays, performing adjustments or repairs.
- Notify facility personnel of equipment shutdowns.
- Repair, replace, and clean equipment and components such as circuit breakers, brushes, and commutators.
- Run signal quality and connectivity tests for individual cables, and record results.
- Maintain inventories of spare parts for all equipment, requisitioning parts as necessary.
- Construct, test, maintain, and repair substation relay and control systems.
- Test insulators and bushings of equipment by inducing voltage across insulation, testing current, and calculating insulation loss.
- Schedule and supervise the construction and testing of special devices and the implementation of unique monitoring or control systems.
- Schedule and supervise splicing or termination of cables in color-code order.
- Disconnect voltage regulators, bolts, and screws, and connect replacement regulators to high-voltage lines.
- Set forms and pour concrete footings for installation of heavy equipment.
- Test oil in circuit breakers and transformers for dielectric strength, refilling oil periodically.
- Perform tests of water chemistry in boilers.
- Operate biomass fuel-burning boiler or biomass fuel gasification system equipment in accordance with specifications or instructions.
- Operate high-pressure steam boiler or water chiller equipment for electrical cogeneration operations.
- Operate equipment to heat biomass, using knowledge of controls, combustion, and firing mechanisms.
- Operate equipment to start, stop, or regulate biomass-fueled generators, generator units, boilers, engines, or auxiliary systems.
- Inspect biomass power plant or processing equipment, recording or reporting damage and mechanical problems.
- Record or report operational data, such as readings on meters, instruments, and gauges.
- Operate valves, pumps, engines, or generators to control and adjust production of biofuels or biomass-fueled power.
- Calculate, measure, load, or mix biomass feedstock for power generation.
- Clean work areas to ensure compliance with safety regulations.
- Perform routine maintenance or make minor repairs to mechanical, electrical, or electronic equipment in biomass plants.
- Measure and monitor raw biomass feedstock, including wood, waste, or refuse materials.
- Calibrate liquid flow devices or meters, including fuel, chemical, and water meters.
- Assess quality of biomass feedstock.
- Read and interpret instruction manuals or technical drawings related to biomass-fueled power or biofuels production equipment or processes.
- Operate heavy equipment, such as bulldozers and front-end loaders.
- Preprocess feedstock to prepare for biochemical or thermochemical production processes.
- Manage parts and supply inventories for biomass plants.
- Perform tests of water chemistry in boilers.
- Examine or test samples of processed substances, or collect samples for laboratory testing, to ensure conformance to specifications.
- Monitor equipment operation, gauges, and panel lights to detect deviations from standards.
- Confer with supervisors or other equipment operators to report equipment malfunctions or to resolve production problems.
- Press and adjust controls to activate, set, and regulate equipment according to specifications.
- Record gauge readings, test results, and shift production in log books.
- Read and interpret work orders and instructions to determine work assignments, process specifications, and production schedules.
- Transport materials and products to and from work areas, manually or using carts, handtrucks, or hoists.
- Stop equipment and clear blockages or jams, using fingers, wire, or hand tools.
- Load equipment receptacles or conveyors with material to be processed, by hand or using hoists.
- Remove products from equipment, manually or using hoists, and prepare them for storage, shipment, or additional processing.
- Calculate amounts of materials to be loaded into furnaces, adjusting amounts as necessary for specific conditions.
- Melt or refine metal before casting, calculating required temperatures, and observe metal color, adjusting controls as necessary to maintain required temperatures.
- Weigh or measure specified amounts of ingredients or materials for processing, using devices such as scales and calipers.
- Direct crane operators and crew members to load vessels with materials to be processed.
- Feed fuel, such as coal and coke, into fireboxes or onto conveyors, and remove ashes from furnaces, using shovels and buckets.
- Replace worn or defective equipment parts, using hand tools.
- Clean, lubricate, and adjust equipment, using scrapers, solvents, air hoses, oil, and hand tools.
- Sprinkle chemicals on the surface of molten metal to bring impurities to surface and remove impurities, using strainers.
- Examine or test samples of processed substances, or collect samples for laboratory testing, to ensure conformance to specifications.
- Measure, mix, prepare, and test chemical solutions used to clean or repair machinery and equipment.
- Start machines and observe mechanical operation to determine efficiency and to detect problems.
- Read work orders and specifications to determine machines and equipment requiring repair or maintenance.
- Inspect or test damaged machine parts, and mark defective areas or advise supervisors of repair needs.
- Reassemble machines after the completion of repair or maintenance work.
- Dismantle machines and remove parts for repair, using hand tools, chain falls, jacks, cranes, or hoists.
- Install, replace, or change machine parts and attachments, according to production specifications.
- Collaborate with other workers to repair or move machines, machine parts, or equipment.
- Inventory and requisition machine parts, equipment, and other supplies so that stock can be maintained and replenished.
- Record production, repair, and machine maintenance information.
- Set up and operate machines, and adjust controls to regulate operations.
- Lubricate or apply adhesives or other materials to machines, machine parts, or other equipment according to specified procedures.
- Collect and discard worn machine parts and other refuse to maintain machinery and work areas.
- Clean machines and machine parts, using cleaning solvents, cloths, air guns, hoses, vacuums, or other equipment.
- Transport machine parts, tools, equipment, and other material between work areas and storage, using cranes, hoists, or dollies.
- Replace, empty, or replenish machine and equipment containers such as gas tanks or boxes.
- Replace or repair metal, wood, leather, glass, or other lining in machines, or in equipment compartments or containers.
- Remove hardened material from machines or machine parts, using abrasives, power and hand tools, jackhammers, sledgehammers, or other equipment.
- Measure, mix, prepare, and test chemical solutions used to clean or repair machinery and equipment.
- Sample and test product characteristics such as specific gravity, acidity, and sugar content, using hydrometers, pH meters, or refractometers.
- Record temperatures, amounts of materials processed, or test results on report forms.
- Monitor pressure gauges, ammeters, flowmeters, thermometers, or products, and adjust controls to maintain specified conditions, such as feed rate, product consistency, temperature, air pressure, and machine speed.
- Read dials and gauges on panel control boards to ascertain temperatures, alkalinities, and densities of mixtures, and turn valves to obtain specified mixtures.
- Start machinery, such as pumps, feeders, or conveyors, and turn valves to heat, admit, or transfer products, refrigerants, or mixes.
- Correct machinery malfunctions by performing actions such as removing jams, and inform supervisors of malfunctions as necessary.
- Assemble equipment, and attach pipes, fittings, or valves, using hand tools.
- Measure or weigh specified amounts of ingredients or materials, and load them into tanks, vats, hoppers, or other equipment.
- Adjust machine or freezer speed and air intake to obtain desired consistency and amount of product.
- Weigh packages and adjust freezer air valves or switches on filler heads to obtain specified amounts of product in each container.
- Inspect and flush lines with solutions or steam, and spray equipment with sterilizing solutions.
- Load and position wrapping paper, sticks, bags, or cartons into dispensing machines.
- Start agitators to blend contents, or start beater, scraper, and expeller blades to mix contents with air and prevent sticking.
- Place or position containers into equipment, and remove containers after completion of cooling or freezing processes.
- Scrape, dislodge, or break excess frost, ice, or frozen product from equipment to prevent accumulation, using hands and hand tools.
- Activate mechanical rakes to regulate flow of ice from storage bins to vats.
- Stir material with spoons or paddles to mix ingredients or allow even cooling and prevent coagulation.
- Position molds on conveyors, and measure and adjust level of fill, using depth gauges.
- Insert forming fixtures, and start machines that cut frozen products into measured portions or specified shapes.
- Sample and test product characteristics such as specific gravity, acidity, and sugar content, using hydrometers, pH meters, or refractometers.
- Test product samples for specific gravity, chemical characteristics, pH levels, concentrations, or viscosities, or send them to laboratories for testing.
- Observe safety precautions to prevent fires or explosions.
- Record operational data, such as temperatures, pressures, ingredients used, processing times, or test results.
- Control or operate equipment in which chemical changes or reactions take place during the processing of industrial or consumer products.
- Patrol work areas to detect leaks or equipment malfunctions or to monitor operating conditions.
- Draw samples of products at specified stages so that analyses can be performed.
- Adjust controls to regulate temperature, pressure, feed, or flow of liquids or gases and times of prescribed reactions, according to knowledge of equipment and processes.
- Monitor gauges, recording instruments, flowmeters, or products to ensure that specified conditions are maintained.
- Inspect equipment or units to detect leaks or malfunctions, shutting equipment down, if necessary.
- Open valves or start pumps, agitators, reactors, blowers, or automatic feed of materials.
- Read plant specifications to determine products, ingredients, or prescribed modifications of plant procedures.
- Implement appropriate industrial emergency response procedures.
- Measure, weigh, and mix chemical ingredients, according to specifications.
- Dump or scoop prescribed solid, granular, or powdered materials into equipment.
- Notify maintenance engineers of equipment malfunctions.
- Estimate materials required for production and manufacturing of products.
- Add treating or neutralizing agents to products, and pump products through filters or centrifuges to remove impurities or to precipitate products.
- Observe and compare colors and consistencies of products to instrument readings and to laboratory and standard test results.
- Direct activities of workers assisting in control or verification of processes or in unloading of materials.
- Drain equipment, and pump water or other solutions through to flush and clean tanks or equipment.
- Flush or clean equipment, using steam hoses or mechanical reamers.
- Make minor repairs, lubricate, and maintain equipment, using hand tools.
- Inventory supplies received and consumed.
- Test product samples for specific gravity, chemical characteristics, pH levels, concentrations, or viscosities, or send them to laboratories for testing.
- Test water sources for factors, such as flow volume and contaminant presence.
- Monitor and adjust operations of geothermal power plant equipment or systems.
- Prepare and maintain logs, reports, or other documentation of work performed.
- Identify and correct malfunctions of geothermal plant equipment, electrical systems, instrumentation, or controls.
- Collect and record data associated with operating geothermal power plants or well fields.
- Determine whether emergency or auxiliary systems will be needed to keep properties heated or cooled in extreme weather conditions.
- Perform pre- and post-installation pressure, flow, and related tests of vertical and horizontal geothermal loop piping.
- Identify equipment options, such as compressors, and make appropriate selections.
- Adjust power production systems to meet load and distribution demands.
- Maintain electrical switchgear, process controls, transmitters, gauges, and control equipment in accordance with geothermal plant procedures.
- Calculate heat loss and heat gain factors for residential properties to determine heating and cooling required by installed geothermal systems.
- Maintain, calibrate, or repair plant instrumentation, control, and electronic devices in geothermal plants.
- Install and maintain geothermal plant electrical protection equipment.
- Design and lay out geothermal heat systems according to property characteristics, heating and cooling requirements, piping and equipment requirements, applicable regulations, or other factors.
- Install and maintain geothermal system instrumentation or controls.
- Prepare newly installed geothermal heat systems for operation by flushing, purging, or other actions.
- Weld piping, such as high density polyethylene (HDPE) piping, using techniques such as butt, socket, side-wall, and electro-fusion welding.
- Install, maintain, or repair ground or water source-coupled heat pumps to heat and cool residential or commercial building air or water.
- Integrate hot water heater systems with geothermal heat exchange systems.
- Determine the type of geothermal loop system most suitable to a specific property and its heating and cooling needs.
- Dig trenches for system piping to appropriate depths and lay piping in trenches.
- Apply coatings or operate systems to mitigate corrosion of geothermal plant equipment or structures.
- Backfill piping trenches to protect pipes from damage.
- Operate equipment, such as excavators, backhoes, rock hammers, trench compactors, pavement saws, grout mixers or pumps, geothermal loop reels, and coil tubing units (CTU).
- Test water sources for factors, such as flow volume and contaminant presence.
- Test solutions used to process textile goods to detect variations from standards.
- Weigh ingredients, such as dye, to be mixed together for use in textile processing.
- Start and control machines and equipment to wash, bleach, dye, or otherwise process and finish fabric, yarn, thread, or other textile goods.
- Observe display screens, control panels, equipment, and cloth entering or exiting processes to determine if equipment is operating correctly.
- Notify supervisors or mechanics of equipment malfunctions.
- Monitor factors such as temperatures and dye flow rates to ensure that they are within specified ranges.
- Add dyes, water, detergents, or chemicals to tanks to dilute or strengthen solutions, according to established formulas and solution test results.
- Examine and feel products to identify defects and variations from coloring and other processing standards.
- Adjust equipment controls to maintain specified heat, tension, and speed.
- Soak specified textile products for designated times.
- Inspect machinery to determine necessary adjustments and repairs.
- Confer with coworkers to get information about order details, processing plans, or problems that occur.
- Sew ends of cloth together, by hand or using machines, to form endless lengths of cloth to facilitate processing.
- Ravel seams that connect cloth ends when processing is completed.
- Remove dyed articles from tanks and machines for drying and further processing.
- Study guides, charts, and specification sheets, and confer with supervisors to determine machine setup requirements.
- Prepare dyeing machines for production runs, and conduct test runs of machines to ensure their proper operation.
- Key in processing instructions to program electronic equipment.
- Record production information such as fabric yardage processed, temperature readings, fabric tensions, and machine speeds.
- Thread ends of cloth or twine through specified sections of equipment prior to processing.
- Mount rolls of cloth on machines, using hoists, or place textile goods in machines or pieces of equipment.
- Install, level, and align components such as gears, chains, dies, cutters, and needles.
- Perform machine maintenance, such as cleaning and oiling equipment, and repair or replace worn or defective parts.
- Creel machines with bobbins or twine.
- Test solutions used to process textile goods to detect variations from standards.
- Test boiler water quality or arrange for testing and take necessary corrective action, such as adding chemicals to prevent corrosion and harmful deposits.
- Operate or tend stationary engines, boilers, and auxiliary equipment, such as pumps, compressors, or air-conditioning equipment, to supply and maintain steam or heat for buildings, marine vessels, or pneumatic tools.
- Activate valves to maintain required amounts of water in boilers, to adjust supplies of combustion air, and to control the flow of fuel into burners.
- Monitor boiler water, chemical, and fuel levels, and make adjustments to maintain required levels.
- Analyze problems and take appropriate action to ensure continuous and reliable operation of equipment and systems.
- Observe and interpret readings on gauges, meters, and charts registering various aspects of boiler operation to ensure that boilers are operating properly.
- Maintain daily logs of operation, maintenance, and safety activities, including test results, instrument readings, and details of equipment malfunctions and maintenance work.
- Monitor and inspect equipment, computer terminals, switches, valves, gauges, alarms, safety devices, and meters to detect leaks or malfunctions and to ensure that equipment is operating efficiently and safely.
- Switch from automatic to manual controls and isolate equipment mechanically and electrically to allow for safe inspection and repair work.
- Perform or arrange for repairs, such as complete overhauls, replacement of defective valves, gaskets, or bearings, or fabrication of new parts.
- Adjust controls and/or valves on equipment to provide power, and to regulate and set operations of system or industrial processes.
- Clean and lubricate boilers and auxiliary equipment and make minor adjustments as needed, using hand tools.
- Develop operation, safety, and maintenance procedures or assist in their development.
- Test electrical systems to determine voltages, using voltage meters.
- Contact equipment manufacturers or appropriate specialists when necessary to resolve equipment problems.
- Weigh, measure, and record fuel used.
- Receive instructions from steam engineers regarding steam plant and air compressor operations.
- Install burners and auxiliary equipment, using hand tools.
- Check the air quality of ventilation systems and make adjustments to ensure compliance with mandated safety codes.
- Provide assistance to plumbers in repairing or replacing water, sewer, or waste lines, and in daily maintenance activities.
- Fire coal furnaces by hand or with stokers and gas- or oil-fed boilers, using automatic gas feeds or oil pumps.
- Supervise the work of assistant stationary engineers, turbine operators, boiler tenders, or air conditioning and refrigeration operators and mechanics.
- Investigate and report on accidents.
- Operate mechanical hoppers and provide assistance in their adjustment and repair.
- Ignite fuel in burners, using torches or flames.
- Test boiler water quality or arrange for testing and take necessary corrective action, such as adding chemicals to prevent corrosion and harmful deposits.
- Test and treat water supply.
- Perform routine maintenance, such as inspecting drives, motors, or belts, checking fluid levels, replacing filters, or doing other preventive maintenance actions.
- Inspect, operate, or test machinery or equipment to diagnose machine malfunctions.
- Adjust functional parts of devices or control instruments, using hand tools, levels, plumb bobs, or straightedges.
- Order parts, supplies, or equipment from catalogs or suppliers.
- Diagnose mechanical problems and determine how to correct them, checking blueprints, repair manuals, or parts catalogs, as necessary.
- Design new equipment to aid in the repair or maintenance of machines, mechanical equipment, or building structures.
- Assemble, install, or repair wiring, electrical or electronic components, pipe systems, plumbing, machinery, or equipment.
- Clean or lubricate shafts, bearings, gears, or other parts of machinery.
- Estimate costs to repair machinery, equipment, or building structures.
- Align and balance new equipment after installation.
- Record type and cost of maintenance or repair work.
- Maintain or repair specialized equipment or machinery located in cafeterias, laundries, hospitals, stores, offices, or factories.
- Dismantle machines, equipment, or devices to access and remove defective parts, using hoists, cranes, hand tools, or power tools.
- Plan and lay out repair work, using diagrams, drawings, blueprints, maintenance manuals, or schematic diagrams.
- Install equipment to improve the energy or operational efficiency of residential or commercial buildings.
- Set up and operate machine tools to repair or fabricate machine parts, jigs, fixtures, or tools.
- Perform general cleaning of buildings or properties.
- Train or manage maintenance personnel or subcontractors.
- Fabricate or repair counters, benches, partitions, or other wooden structures, such as sheds or outbuildings.
- Paint or repair roofs, windows, doors, floors, woodwork, plaster, drywall, or other parts of building structures.
- Perform routine maintenance on boilers, such as replacing burners or hoses, installing replacement parts, or reinforcing structural weaknesses to ensure optimal boiler efficiency.
- Provide groundskeeping services, such as landscaping or snow removal.
- Operate cutting torches or welding equipment to cut or join metal parts.
- Inspect used parts to determine changes in dimensional requirements, using rules, calipers, micrometers, or other measuring instruments.
- Assemble boilers at installation sites, using tools such as levels, plumb bobs, hammers, torches, or other hand tools.
- Lay brick to repair or maintain buildings, walls, arches, or other structures.
- Position, attach, or blow insulating materials to prevent energy losses from buildings, pipes, or other structures or objects.
- Grind and reseat valves, using valve-grinding machines.
- Repair machines, equipment, or structures, using tools such as hammers, hoists, saws, drills, wrenches, or equipment such as precision measuring instruments or electrical or electronic testing devices.
- Test and treat water supply.
- Obtain fuel and oil samples and check them for contamination.
- Examine and inspect aircraft components, including landing gear, hydraulic systems, and deicers to locate cracks, breaks, leaks, or other problems.
- Conduct routine and special inspections as required by regulations.
- Inspect completed work to certify that maintenance meets standards and that aircraft are ready for operation.
- Read and interpret maintenance manuals, service bulletins, and other specifications to determine the feasibility and method of repairing or replacing malfunctioning or damaged components.
- Maintain repair logs, documenting all preventive and corrective aircraft maintenance.
- Modify aircraft structures, space vehicles, systems, or components, following drawings, schematics, charts, engineering orders, and technical publications.
- Inspect airframes for wear or other defects.
- Measure parts for wear, using precision instruments.
- Maintain, repair, and rebuild aircraft structures, functional components, and parts, such as wings and fuselage, rigging, hydraulic units, oxygen systems, fuel systems, electrical systems, gaskets, or seals.
- Replace or repair worn, defective, or damaged components, using hand tools, gauges, and testing equipment.
- Read and interpret pilots' descriptions of problems to diagnose causes.
- Test operation of engines and other systems, using test equipment, such as ignition analyzers, compression checkers, distributor timers, or ammeters.
- Measure the tension of control cables.
- Spread plastic film over areas to be repaired to prevent damage to surrounding areas.
- Remove or install aircraft engines, using hoists or forklift trucks.
- Assemble and install electrical, plumbing, mechanical, hydraulic, and structural components and accessories, using hand or power tools.
- Locate and mark dimensions and reference lines on defective or replacement parts, using templates, scribes, compasses, and steel rules.
- Fabricate defective sections or parts, using metal fabricating machines, saws, brakes, shears, and grinders.
- Reassemble engines following repair or inspection and reinstall engines in aircraft.
- Service and maintain aircraft and related apparatus by performing activities such as flushing crankcases, cleaning screens, and or moving parts.
- Clean, refuel, and change oil in line service aircraft.
- Trim and shape replacement body sections to specified sizes and fits and secure sections in place, using adhesives, hand tools, and power tools.
- Accompany aircraft on flights to make in-flight adjustments and corrections.
- Remove or cut out defective parts or drill holes to gain access to internal defects or damage, using drills and punches.
- Install and align repaired or replacement parts for subsequent riveting or welding, using clamps and wrenches.
- Inventory and requisition or order supplies, parts, materials, and equipment.
- Clean, strip, prime, and sand structural surfaces and materials to prepare them for bonding.
- Communicate with other workers to coordinate fitting and alignment of heavy parts, or to facilitate processing of repair parts.
- Examine engines through specially designed openings while working from ladders or scaffolds, or use hoists or lifts to remove the entire engine from an aircraft.
- Check for corrosion, distortion, and invisible cracks in the fuselage, wings, and tail, using x-ray and magnetic inspection equipment.
- Disassemble engines and inspect parts, such as turbine blades or cylinders, for corrosion, wear, warping, cracks, and leaks, using precision measuring instruments, x-rays, and magnetic inspection equipment.
- Cure bonded structures, using portable or stationary curing equipment.
- Listen to operating engines to detect and diagnose malfunctions, such as sticking or burned valves.
- Clean engines, sediment bulk and screens, and carburetors, adjusting carburetor float levels.
- Determine repair limits for engine hot section parts.
- Remove, inspect, repair, and install in-flight refueling stores and external fuel tanks.
- Prepare and paint aircraft surfaces.
- Obtain fuel and oil samples and check them for contamination.
