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DOT Code: 570.685-062

Industry: concrete prod.

Tends equipment that mixes ingredients to produce slurry (plaster mix) and feeds slurry into rollers for pressing into wallboard or lath: Regulates flow of stucco (dry plaster mix), water, and soap solution into mixing machine in specified proportions. Adjusts glue feed for sealing board edges, using handtools. Observes flow of mix onto wallboard paper and removes lumps from mix, using putty knife. Observes scoring and folding of paper for defects and notifies Knife Operator (concrete prod.) of defects found. Tests slurry samples for density, using measuring cup and scale. Inserts weighted needle into slurry and times needle with stopwatch as it settles into slurry to determine setting time of slurry.

GOE: 06.04.19 STRENGTH: L GED: R3 M2 L1 SVP: 4 DLU: 77