Ключевые слова: assembling, background, behind, block, broken, bucket, builder, building, cable, clear, construction, constructor, crane, element, engineer, equipment, fragment, frame, freight, heavy, hoisting, home, hook, house, industry, installer, installing, load, machine, machinery, material, mechanism, outdoor, panel, pattern, picking, pulley, rigger, rope, shipment, site, slab, sling, steel, structure, under, up, weight, worker,