Ключевые слова: accuracy, auto, automation, automobile, automotive, bevel, cogs, cogwheel, concept, conceptual, construction, drive, engineering, gear, gearbox, hardware, industrial, industry, iron, machine, machinery, machining, manufacture, manufacturing, mechanic, mechanical, mechanism, metal, metallic, metalwork, motor, part, piece, pinion, precision, processing, production, repair, shaft, shiny, spare, steel, technology, teeth, tool, tooth, transmission, vehicle, wheel, wheels,