Prod and break ores or rocks in underground mines or quarries.
What does a Grizzly Worker do?
Prods and breaks ore or rock in underground mine or quarry to keep it moving through grizzly and chute leading to storage, crusher, or loading station: Loosens clogged ore, using bar or pick. Pushes ore dumped from mine cars or trucks through grizzly with bar, and breaks boulders with hydraulic ram or sledgehammer. May discard oversized lumps. May move levers to dump ore from cars. May remove samples of ore for laboratory analysis.