Well Drillers, Borers and Related Workers, Specialisation UnknownDerrickman (Oil and Gas Wells)Rotary Driller (Oil and Gas Wells)Cable Driller (Oil and Gas Wells)Cementer (Oil and Gas Wells)Well-Puller (Oil and Gas Wells)Acidiser (Oil and Gas Wells)Well-Driller and Borer (except Oil and Gas Wells)Other Well-Drillers, Borers and Related Workers
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Workers in this unit group ere ...... gas; performing related tasks.
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Well-Drillers, Borers and Related Workers
Well-Drillers, Borers and Related Workers
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