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TITLE(s): SCREEN OPERATOR (chemical) alternate titles: shaker-screen operator; vibrating-screen operator Tends vibrating or oscillating shaker screens that separate solids from liquids or sift powdered chemical materials into particles of specified size: Starts action of screens. Turns valves, starts conveyors, or moves chute vanes to control flow of materials to screens according to type of material to be screened. Sifts sample of sized product through laboratory test screens to determine if particle size meets specifications and records results. Changes screen mesh or cloths as directed and repairs equipment, using handtools. Cleans screens, using brushes and liquid cleaning agents. May tend related equipment, such as grinding mills, conveyors, and container-filling units. May examine materials to detect impurities that could contaminate product or damage screens. GOE: 06.04.11 STRENGTH: L GED: R2 M1 L1 SVP: 3 DLU: 77 ONET CROSSWALK: 92962 Separating, Filtering, Clarifying, Precipitating, and Still Machine Operators and Tenders | |||||||||||||||||||||||||||||||||||
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