- Apply layers of plastic resin to mold surfaces prior to placement of fiberglass mats, repeating layers until products have the desired thicknesses and plastics have jelled.
Occupations with related tasks Save Table: XLSX CSV
| Closely Related Tasks | All Related Tasks | Job Zone | Code | Occupation |
| 2 | 2 | 2 | 51-2051.00 | Fiberglass Laminators and Fabricators |
| 1 | 3 | 2 | 51-9195.00 | Molders, Shapers, and Casters, Except Metal and Plastic |
| 1 | 3 | 2 | 51-9041.00 | Extruding, Forming, Pressing, and Compacting Machine Setters, Operators, and Tenders |
| 1 | 3 | 2 | 51-4072.00 | Molding, Coremaking, and Casting Machine Setters, Operators, and Tenders, Metal and Plastic |
| 1 | 2 | 2 | 51-4071.00 | Foundry Mold and Coremakers |
| 1 | 2 | 2 | 51-4052.00 | Pourers and Casters, Metal |
| 1 | 2 | 2 | 51-9195.04 | Glass Blowers, Molders, Benders, and Finishers |
| 1 | 1 | 2 | 51-9081.00 | Dental Laboratory Technicians |
- Apply layers of plastic resin to mold surfaces prior to placement of fiberglass mats, repeating layers until products have the desired thicknesses and plastics have jelled.
- Apply lacquers and waxes to mold surfaces to facilitate assembly and removal of laminated parts.
- Release air bubbles and smooth seams, using rollers.
- Spray chopped fiberglass, resins, and catalysts onto prepared molds or dies using pneumatic spray guns with chopper attachments.
- Mix catalysts into resins, and saturate cloth and mats with mixtures, using brushes.
- Check completed products for conformance to specifications and for defects by measuring with rulers or micrometers, by checking them visually, or by tapping them to detect bubbles or dead spots.
- Pat or press layers of saturated mat or cloth into place on molds, using brushes or hands, and smooth out wrinkles and air bubbles with hands or squeegees.
- Select precut fiberglass mats, cloth, and wood-bracing materials as required by projects being assembled.
- Bond wood reinforcing strips to decks and cabin structures of watercraft, using resin-saturated fiberglass.
- Trim excess materials from molds, using hand shears or trimming knives.
- Inspect, clean, and assemble molds before beginning work.
- Cure materials by letting them set at room temperature, placing them under heat lamps, or baking them in ovens.
- Repair or modify damaged or defective glass-fiber parts, checking thicknesses, densities, and contours to ensure a close fit after repair.
- Check all dies, templates, and cutout patterns to be used in the manufacturing process to ensure that they conform to dimensional data, photographs, blueprints, samples, or customer specifications.
- Trim cured materials by sawing them with diamond-impregnated cutoff wheels.
- Mask off mold areas not to be laminated, using cellophane, wax paper, masking tape, or special sprays containing mold-release substances.
- Apply layers of plastic resin to mold surfaces prior to placement of fiberglass mats, repeating layers until products have the desired thicknesses and plastics have jelled.
- Apply lacquers and waxes to mold surfaces to facilitate assembly and removal of laminated parts.
- Brush or spray mold surfaces with parting agents or insert paper into molds to ensure smoothness and prevent sticking or seepage.
- Separate models or patterns from molds and examine products for accuracy.
- Withdraw cores or other loose mold members after castings solidify.
- Read work orders or examine parts to determine parts or sections of products to be produced.
- Trim or remove excess material, using scrapers, knives, or band saws.
- Engrave or stamp identifying symbols, letters, or numbers on products.
- Assemble, insert, and adjust wires, tubes, cores, fittings, rods, or patterns into molds, using hand tools and depth gauges.
- Clean, finish, and lubricate molds and mold parts.
- Set the proper operating temperature for each casting.
- Load or stack filled molds in ovens, dryers, or curing boxes, or on storage racks or carts.
- Align and assemble parts to produce completed products, using gauges and hand tools.
- Operate and adjust controls of heating equipment to melt material or to cure, dry, or bake filled molds.
- Select sizes and types of molds according to instructions.
- Patch broken edges or fractures, using clay or plaster.
- Repair mold defects, such as cracks or broken edges, using patterns, mold boxes, or hand tools.
- Measure and cut products to specified dimensions, using measuring and cutting instruments.
- Smooth surfaces of molds, using scraping tools or sandpaper.
- Measure ingredients and mix molding, casting material, or sealing compounds to prescribed consistencies, according to formulas.
- Remove excess materials and level and smooth wet mold mixtures.
- Operate molding machines that compact sand in flasks to form molds.
- Place forms around models and separately immerse each half portion of a model in plaster, wax, or other mold-making materials.
- Verify dimensions of products, using measuring instruments, such as calipers, vernier gauges, or protractors.
- Bore holes or cut grates, risers, or pouring spouts in molds, using power tools.
- Locate and scribe parting lines on patterns, using measuring instruments, such as calipers, squares, or depth gauges.
- Tap or tilt molds to ensure uniform distribution of materials.
- Construct or form molds for use in casting clay or plaster objects, using plaster, fiberglass, rubber, casting machines, patterns, or flasks.
- Pour, pack, spread, or press plaster, concrete, or other materials into or around models or molds.
- Brush or spray mold surfaces with parting agents or insert paper into molds to ensure smoothness and prevent sticking or seepage.
- Separate models or patterns from molds and examine products for accuracy.
- Withdraw cores or other loose mold members after castings solidify.
- Swab molds with solutions to prevent products from sticking.
- Clear jams, and remove defective or substandard materials or products.
- Remove materials or products from molds or from extruding, forming, pressing, or compacting machines, and stack or store them for additional processing.
- Adjust machine components to regulate speeds, pressures, and temperatures, and amounts, dimensions, and flow of materials or ingredients.
- Press control buttons to activate machinery and equipment.
- Examine, measure, and weigh materials or products to verify conformance to standards, using measuring devices such as templates, micrometers, or scales.
- Monitor machine operations and observe lights and gauges to detect malfunctions.
- Notify supervisors when extruded filaments fail to meet standards.
- Record and maintain production data, such as meter readings, and quantities, types, and dimensions of materials produced.
- Review work orders, specifications, or instructions to determine materials, ingredients, procedures, components, settings, and adjustments for extruding, forming, pressing, or compacting machines.
- Turn controls to adjust machine functions, such as regulating air pressure, creating vacuums, and adjusting coolant flow.
- Clean dies, arbors, compression chambers, and molds, using swabs, sponges, or air hoses.
- Synchronize speeds of sections of machines when producing products involving several steps or processes.
- Move materials, supplies, components, and finished products between storage and work areas, using work aids such as racks, hoists, and handtrucks.
- Activate machines to shape or form products, such as candy bars, light bulbs, balloons, or insulation panels.
- Select and install machine components, such as dies, molds, and cutters, according to specifications, using hand tools and measuring devices.
- Send product samples to laboratories for analysis.
- Couple air and gas lines to machines to maintain plasticity of material and to regulate solidification of final products.
- Pour, scoop, or dump specified ingredients, metal assemblies, or mixtures into sections of machine prior to starting machines.
- Measure, mix, cut, shape, soften, and join materials and ingredients, such as powder, cornmeal, or rubber to prepare them for machine processing.
- Feed products into machines by hand or conveyor.
- Measure arbors and dies to verify sizes specified on work tickets.
- Thread extruded strips through water tanks and hold-down bars, or attach strands to wires and draw them through tubes.
- Complete work tickets, and place them with products.
- Disassemble equipment to repair it or to replace parts, such as nozzles, punches, and filters.
- Remove molds, mold components, and feeder tubes from machinery after production is complete.
- Ignite burners to preheat products, or use torches to apply heat.
- Install, align, and adjust neck rings, press plungers, and feeder tubes.
- Swab molds with solutions to prevent products from sticking.
- Clear jams, and remove defective or substandard materials or products.
- Remove materials or products from molds or from extruding, forming, pressing, or compacting machines, and stack or store them for additional processing.
- Spray, smoke, or coat molds with compounds to lubricate or insulate molds, using acetylene torches or sprayers.
- Unload finished products from conveyor belts, pack them in containers, and place containers in warehouses.
- Remove finished or cured products from dies or molds, using hand tools, air hoses, and other equipment, stamping identifying information on products when necessary.
- Measure and visually inspect products for surface and dimension defects to ensure conformance to specifications, using precision measuring instruments.
- Observe continuous operation of automatic machines to ensure that products meet specifications and to detect jams or malfunctions, making adjustments as necessary.
- Set up, operate, or tend metal or plastic molding, casting, or coremaking machines to mold or cast metal or thermoplastic parts or products.
- Turn valves and dials of machines to regulate pressure, temperature, and speed and feed rates, and to set cycle times.
- Read specifications, blueprints, and work orders to determine setups, temperatures, and time settings required to mold, form, or cast plastic materials, as well as to plan production sequences.
- Observe meters and gauges to verify and record temperatures, pressures, and press-cycle times.
- Connect water hoses to cooling systems of dies, using hand tools.
- Remove parts, such as dies, from machines after production runs are finished.
- Perform maintenance work such as cleaning and oiling machines.
- Smooth and clean inner surfaces of molds, using brushes, scrapers, air hoses, or grinding wheels, and fill imperfections with refractory material.
- Operate hoists to position dies or patterns on foundry floors.
- Cool products after processing to prevent distortion.
- Install dies onto machines or presses and coat dies with parting agents, according to work order specifications.
- Obtain and move specified patterns to work stations, manually or using hoists, and secure patterns to machines, using wrenches.
- Select and install blades, tools, or other attachments for each operation.
- Repair or replace damaged molds, pipes, belts, chains, or other equipment, using hand tools, hand-powered presses, or jib cranes.
- Inventory and record quantities of materials and finished products, requisitioning additional supplies as necessary.
- Select coolants and lubricants, and start their flow.
- Adjust equipment and workpiece holding fixtures, such as mold frames, tubs, and cutting tables, to ensure proper functioning.
- Maintain inventories of materials.
- Position and secure workpieces on machines, and start feeding mechanisms.
- Trim excess material from parts, using knives, and grind scrap plastic into powder for reuse.
- Mix and measure compounds, or weigh premixed compounds, and dump them into machine tubs, cavities, or molds.
- Preheat tools, dies, plastic materials, or patterns, using blowtorches or other equipment.
- Pour or load metal or sand into melting pots, furnaces, molds, or hoppers, using shovels, ladles, or machines.
- Clamp metal and plywood strips around dies or patterns to form molds.
- Pull level and toggle latches to fill molds, to regulate tension on sheeting, and to release mold covers.
- Skim or pour dross, slag, or impurities from molten metal, using ladles, rakes, hoes, spatulas, or spoons.
- Shape molds to specified contours, using sand, and trowels and related tools.
- Assemble shell halves, patterns, and foundry flasks, and reinforce core boxes, using glue, clamps, wire, bolts, rams, or machines.
- Spray, smoke, or coat molds with compounds to lubricate or insulate molds, using acetylene torches or sprayers.
- Unload finished products from conveyor belts, pack them in containers, and place containers in warehouses.
- Remove finished or cured products from dies or molds, using hand tools, air hoses, and other equipment, stamping identifying information on products when necessary.
- Sprinkle or spray parting agents onto patterns and mold sections to facilitate removal of patterns from molds.
- Lift upper mold sections from lower sections, and remove molded patterns.
- Clean and smooth molds, cores, and core boxes, and repair surface imperfections.
- Sift and pack sand into mold sections, core boxes, and pattern contours, using hand or pneumatic ramming tools.
- Position patterns inside mold sections, and clamp sections together.
- Position cores into lower sections of molds, and reassemble molds for pouring.
- Form and assemble slab cores around patterns, and position wire in mold sections to reinforce molds, using hand tools and glue.
- Move and position workpieces, such as mold sections, patterns, and bottom boards, using cranes, or signal others to move workpieces.
- Cut spouts, runner holes, and sprue holes into molds.
- Tend machines that bond cope and drag together to form completed shell molds.
- Rotate sweep boards around spindles to make symmetrical molds for convex impressions.
- Pour molten metal into molds, manually or with crane ladles.
- Operate ovens or furnaces to bake cores or to melt, skim, and flux metal.
- Sprinkle or spray parting agents onto patterns and mold sections to facilitate removal of patterns from molds.
- Lift upper mold sections from lower sections, and remove molded patterns.
- Turn valves to circulate water through cores, or spray water on filled molds to cool and solidify metal.
- Remove metal ingots or cores from molds, using hand tools, cranes, and chain hoists.
- Examine molds to ensure they are clean, smooth, and properly coated.
- Pour and regulate the flow of molten metal into molds and forms to produce ingots or other castings, using ladles or hand-controlled mechanisms.
- Pull levers to lift ladle stoppers and to allow molten steel to flow into ingot molds to specified heights.
- Read temperature gauges and observe color changes, adjusting furnace flames, torches, or electrical heating units as necessary to melt metal to specifications.
- Collect samples, or signal workers to sample metal for analysis.
- Load specified amounts of metal and flux into furnaces or clay crucibles.
- Add metal to molds to compensate for shrinkage.
- Skim slag or remove excess metal from ingots or equipment, using hand tools, strainers, rakes, or burners, collecting scrap for recycling.
- Position equipment such as ladles, grinding wheels, pouring nozzles, or crucibles, or signal other workers to position equipment.
- Transport metal ingots to storage areas, using forklifts.
- Repair and maintain metal forms and equipment, using hand tools, sledges, and bars.
- Stencil identifying information on ingots and pigs, using special hand tools.
- Assemble and embed cores in casting frames, using hand tools and equipment.
- Remove solidified steel or slag from pouring nozzles, using long bars or oxygen burners.
- Turn valves to circulate water through cores, or spray water on filled molds to cool and solidify metal.
- Remove metal ingots or cores from molds, using hand tools, cranes, and chain hoists.
- Spray or swab molds with oil solutions to prevent adhesion of glass.
- Strike necks of finished articles to separate articles from blowpipes.
- Heat glass to pliable stage, using gas flames or ovens and rotating glass to heat it uniformly.
- Inspect, weigh, and measure products to verify conformance to specifications, using instruments such as micrometers, calipers, magnifiers, or rulers.
- Record manufacturing information, such as quantities, sizes, or types of goods produced.
- Place glass into dies or molds of presses and control presses to form products, such as glassware components or optical blanks.
- Blow tubing into specified shapes to prevent glass from collapsing, using compressed air or own breath, or blow and rotate gathers in molds or on boards to obtain final shapes.
- Operate electric kilns that heat and mold glass sheets to the shape and curve of metal jigs.
- Determine types and quantities of glass required to fabricate products.
- Set up and adjust machine press stroke lengths and pressures and regulate oven temperatures, according to glass types to be processed.
- Shape, bend, or join sections of glass, using paddles, pressing and flattening hand tools, or cork.
- Design and create glass objects, using blowpipes and artisans' hand tools and equipment.
- Place electrodes in tube ends and heat them with glass burners to fuse them into place.
- Operate and maintain finishing machines to grind, drill, sand, bevel, decorate, wash, or polish glass or glass products.
- Repair broken scrolls by replacing them with new sections of tubing.
- Develop sketches of glass products into blueprint specifications, applying knowledge of glass technology and glass blowing.
- Superimpose bent tubing on asbestos patterns to ensure accuracy.
- Cut lengths of tubing to specified sizes, using files or cutting wheels.
- Place rubber hoses on ends of tubing and charge tubing with gas.
- Spray or swab molds with oil solutions to prevent adhesion of glass.
- Strike necks of finished articles to separate articles from blowpipes.
- Apply porcelain paste or wax over prosthesis frameworks or setups, using brushes and spatulas.
- Read prescriptions or specifications and examine models or impressions to determine the design of dental products to be constructed.
- Test appliances for conformance to specifications and accuracy of occlusion, using articulators and micrometers.
- Fabricate, alter, or repair dental devices, such as dentures, crowns, bridges, inlays, or appliances for straightening teeth.
- Place tooth models on an apparatus that mimics bite and movement of patient's jaw to evaluate functionality of model.
- Remove excess metal or porcelain and polish surfaces of prostheses or frameworks, using polishing machines.
- Train or supervise other dental technicians or dental laboratory bench workers.
- Melt metals or mix plaster, porcelain, or acrylic pastes and pour materials into molds or over frameworks to form dental prostheses or apparatuses.
- Prepare metal surfaces for bonding with porcelain to create artificial teeth, using small hand tools.
- Rebuild or replace linings, wire sections, or missing teeth to repair dentures.
- Build and shape wax teeth, using small hand instruments and information from observations or dentists' specifications.
- Load newly constructed teeth into porcelain furnaces to bake the porcelain onto the metal framework.
- Mold wax over denture setups to form the full contours of artificial gums.
- Create a model of patient's mouth by pouring plaster into a dental impression and allowing plaster to set.
- Prepare wax bite blocks and impression trays for use.
- Shape and solder wire and metal frames or bands for dental products, using soldering irons and hand tools.
- Fill chipped or low spots in surfaces of devices, using acrylic resins.
- Apply porcelain paste or wax over prosthesis frameworks or setups, using brushes and spatulas.
