Ключевые слова: automotive, background, car, close, clutch, cnc, cogs, connection, crankshaft, drive, engine, engineering, equipment, friction, gear, gearbox, gearing, half, industrial, industry, iron, isolated, machine, manufacture, mechanic, mechanical, metal, metallic, mill, part, pile, pivot, pulley, reduction, repair, shaft, shift, shiny, shot, spare, splines, steel, stub, surface, technology, teeth, tool, transmission, tube, white,