Job Description:

• 1) Tends crushers, ovens, and screens to test samples of ore: Starts crusher to pulverize ore.

• 2) Removes ore from crusher and places it in oven to dry.

• 3) Sends portion of sample to laboratory for chemical analysis.

• 4) Places sample in vibrator containing magnets and water.

• 5) Starts vibrator to separate magnetic content of ore from impurities.

• 6) Drains water from vibrator and weighs magnetic remainder.

• 7) Pours ore sample through series of vibrating screens of different size openings to separate ore samples.

• 8) Weighs and records each size of ore.

• 9) Records number of tests performed.

• 10) May collect ore samples from various sites in plant or mine, and record origin of samples.

• 11) May perform chemical sedimentation or hardness tests on samples.