Ключевые слова: against, assembly, balance, big, blue, build, builders, construction, crane, dangerous, develop, device, engineering, equipment, gear, heavy, high, industrial, industry, jack, lift, machine, massive, nature, over, people, power, process, professional, resource, rig, single, sky, strength, structure, tall, technical, technique, technology, tree, up, urban, vehicle, work, worker, workplace,