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TITLE(s): COOK (chemical) alternate titles: extractor; hide-cooking operator Tends equipment that cooks animal stock (animal skins, splits, fleshings, and trimmings) used to make glue or gelatin: Signals workers to fill kettle with stock. Turns valve to allow water to flow into kettle to submerge stock. Starts heaters and adjusts temperature. Cooks stock for prescribed period of time and tests sample of broth for specific gravity, using hydrometer. Compares hydrometer readings with readings on conversion tables to determine approximate amount of glue or gelatin that batch will produce. Drains broth from vat to storage tank, refills kettle with water, and cooks stock several times at progressively higher temperatures. May stir stock in kettle, using wooden paddles. May tend equipment to wash stock prior to cooking [WASH-MILL OPERATOR (chemical)]. GOE: 06.04.19 STRENGTH: L GED: R3 M2 L2 SVP: 3 DLU: 77 ONET CROSSWALK: 92923 Furnace, Kiln, Oven, Drier, or Kettle Operators and Tenders | |||||||||||||||||||||||||||||||||||
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