# Fiberglass Laminators and Fabricators > Laminate layers of fiberglass on molds to form boat decks and hulls, bodies for golf carts, automobiles, or other products. - Code: 51-2051.00 (O*NET-SOC; SOC 2018 51-2051) - Family: [Production](https://foundation.org.ai/occupations#family-51), one of its 114 occupations - Tasks: 16 tasks (8 core and 8 supplemental) - Page: https://foundation.org.ai/occupations/51-2051.00 - JSON: https://foundation.org.ai/data/tasks/51-2051.00.json ## What the work is made of 1. Release air bubbles and smooth seams, using rollers. Core task · Task 13970 · Rated by 64 people who do the job, August 2020 2. Spray chopped fiberglass, resins, and catalysts onto prepared molds or dies using pneumatic spray guns with chopper attachments. Core task · Task 13971 · Rated by 63 people who do the job, August 2020 3. Mix catalysts into resins, and saturate cloth and mats with mixtures, using brushes. Core task · Task 13974 · Rated by 63 people who do the job, August 2020 4. 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. Core task · Task 13976 · Rated by 62 people who do the job, August 2020 5. 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. Core task · Task 13973 · Rated by 63 people who do the job, August 2020 6. Select precut fiberglass mats, cloth, and wood-bracing materials as required by projects being assembled. Core task · Task 13972 · Rated by 64 people who do the job, August 2020 7. Bond wood reinforcing strips to decks and cabin structures of watercraft, using resin-saturated fiberglass. Core task · Task 13975 · Rated by 63 people who do the job, August 2020 8. Trim excess materials from molds, using hand shears or trimming knives. Core task · Task 13977 · Rated by 62 people who do the job, August 2020 9. 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. Supplemental task · Task 13980 · Rated by 63 people who do the job, August 2020 10. Inspect, clean, and assemble molds before beginning work. Supplemental task · Task 13984 · Rated by 64 people who do the job, August 2020 11. Cure materials by letting them set at room temperature, placing them under heat lamps, or baking them in ovens. Supplemental task · Task 13979 · Rated by 63 people who do the job, August 2020 12. Apply lacquers and waxes to mold surfaces to facilitate assembly and removal of laminated parts. Supplemental task · Task 13982 · Rated by 64 people who do the job, August 2020 13. Repair or modify damaged or defective glass-fiber parts, checking thicknesses, densities, and contours to ensure a close fit after repair. Supplemental task · Task 13978 · Rated by 64 people who do the job, August 2020 14. Mask off mold areas not to be laminated, using cellophane, wax paper, masking tape, or special sprays containing mold-release substances. Supplemental task · Task 13981 · Rated by 64 people who do the job, August 2020 15. 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. Supplemental task · Task 13983 · Rated by 63 people who do the job, August 2020 16. Trim cured materials by sawing them with diamond-impregnated cutoff wheels. 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