Ключевые слова: activity, assembly, big, chain, construction, crane, dock, elevated, frame, freight, hang, harbor, hardhat, heavy, hoisting, huge, industrial, industry, iron, large, lift, lifting, logistics, machine, manage, massive, mechanical, mobile, move, pillar, placing, platform, port, process, safety, shipping, shipyard, site, skeleton, sky, structure, teamwork, technology, telescopic, transport, transportation, worker,