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البناء والاستخراج · المهارات والكفاءات الوظيفية · SOC 47-2072

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▶3 مهام نموذجية من O*NET

//Move hand and foot levers of hoisting equipment to position piling leads, hoist piling into leads, and position hammers over pilings
//Move levers and turn valves to activate power hammers, or to raise and lower drophammers that drive piles to required depths
//Drive pilings to provide support for buildings or other structures, using heavy equipment with a pile driver head

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