Ключевые слова: apparatus, apron, box, business, button, cabinet, commutator, console, control, cover, detector, device, element, extra, facility, factory, flap, frontplate, industry, inside, instance, key, location, machinery, mechanism, metal, oil, olive, panelboard, place, plain, pressing, production, protecting, protective, pushbutton, sensor, set, shield, switching, system, technology, terminal, virgin, working, worksite,