Ключевые слова: alloy, automobile, automotive, bevel, cog, cogwheel, drive, engineering, equipment, gear, gearbox, geometric, hardware, helical, industrial, industry, inner, iron, machinery, machining center, manufacturing, material, mechanical, mechanism, metal, metalworking, module, object, part, pinion, pitch, precise, processing, production, ratio, shaft, spare, steel, strength, structure, technology, teeth, tool, tooling, tooth, torque, transfer, transmission, transportation, vehicle,