Ключевые слова: adult, arm, builder, building, close up, computer, construction, control, desktop, device, display, energy, engineer, engineering, equipment, factory, gadget, hand, indoors, industrial, industry, key, keyboard, knob, machinery, male, man, manufacture, manufacturing, matured, modern, occupation, operate, operator, panel, people, person, plant, production, profession, professional, screen, specialist, switch, technician, technology, work, worker, workman,