Job Description:

• 1) 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.

• 2) Pushes ore dumped from mine cars or trucks through grizzly with bar, and breaks boulders with hydraulic ram or sledgehammer.

• 3) May discard oversized lumps.

• 4) May move levers to dump ore from cars.

• 5) May remove samples of ore for laboratory analysis.