Ключевые слова: apparatus, appointment, attendance, background, black, business, chrome, cog, cogwheel, device, equipment, exploitation, facility, furniture, gear, gearwheel, handling, industrial, instrument, machine, machinery, maintenance, mechanics, mechanism, metal, metallic, mro, nickel, operation, overhaul, refit, renovation, repair, repairs, running, scratch, service, steel, symbol, tool, wheel, working,