Ключевые слова: above, automatic, automation, beam, business, button, construction, control, crane, factory, gantry, gear, gearshift, gera, girder, head, high, hoist, hook, human, indoor, lever, lift, load, manufacturing, navigate, navigation, over, overhead, person, portal, remote control, remote controlled, robotics, rope, serve, service, switch, tons, wire, work, yellow,