Ключевые слова: bore, build, building, cement, concrete, concreting, construction, crane, derrick, device, diesel, drill, drilling, drive, driver, driving, equipment, foundation, ground, hammer, handling, heavy, hook, industry, job, machine, machinery, mechanical, mixer, mixing, motor, outdoor, pile, piling, pour, pouring, rig, soil, steel, structure, technology, tool, transportation, weight, work, working,