Ключевые слова: background, button, cable, chain, closeup, construction, control, controller, controlling, crane, device, door, down, electric, electricity, electronic, element, equipment, factory, finger, hand, hands, hanging, industrial, industry, isolated, lift, lower, machine, metal, move, movement, object, overhead, panel, power, push, red, remote, safety, stop, switch, technology, tool, training, up, wireless, work, yellow,