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DOT Code: 541.685-010

Industry: mine & quarry

Tends gravity device that separates coal from refuse: Tests solution in tank for specific gravity, adds pulverized magnetite, and starts oscillating rake to maintain constant density. Opens chute gate to admit coal mixture to tank. Observes coal as it floats over weir onto conveyor. Opens gate to draw off refuse that was raked into discharge chute. Recovers magnetite, drawn off with coal and refuse, from filtering device, using shovel and wheelbarrow.

GOE: 06.04.08 STRENGTH: M GED: R2 M1 L1 SVP: 3 DLU: 77