Ключевые слова: adhere, assembled, building site, canal, civil engineering, component parts, construction, disassemble, disassembles, dismantle, dismantles, divide, extended, hand, hardhat, helmet, hold, hose, industrial, industry, manage, manpower, manually, mason, metal, operator, people, pipe, pipeline, piping, pour, protection, ramp, river, safety, separate, shore, site, special, split, split out, takes apart, technician, to take apart, tool, transmission, tube, vertical, work, worker,