Help extraction craft workers, such as earth drillers, blasters and explosives workers, derrick operators, and mining machine operators, by performing duties requiring less skill. Duties include supplying equipment or cleaning work area. Apprentice workers are classified with the appropriate skilled construction trade occupation.
Projected employment change, 2014–24:
Education and training:
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*Some content used by permission of the Bureau of Labor Statistics, U.S. Department of Labor.