| http://www.w3.org/ns/prov#value | - Dig and clean mud pits and drains; Assist with well development and pumping tests; Operate equipment such as pumps for air, water and mud, and equipment and tools used to correct problems in drilled holes caused by mechanical breakdowns or by harmful natural conditions; Carry out minor maintenance and repairs, including lubrication and cleaning; Perform other duties as assigned.
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