Wash-mill Operator
Overall rating: (N/A)
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Tends equipment that washes animal stock (animal skins,
splits, fleshings, and trimmings) used to make glue and gelatin:
Turns valve to start continuous flush of water into tub to wash
foreign materials from stock. Turns handwheel to actuate roller
that kneads and turns sotck in tub. Turns off water and roller
atfer time necessary to reduce foreign material to required
level.
Drains water from tub and pumps specified amount of acid
into tub to kill organimss in stock. Tests concentration of
acid-sample in tub, using titration, burette, and pH indicator,
and adds acid to tub when necessary. Drains acid from tub atfer
prescribed time and washes stock with water.
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Wash-Mill Operator
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