Ключевые слова: belt, business, buttons, car, cog, cogwheel, collaboration, concept, connect, connection, cooperation, detail, diesel, drive, efficiency, efficient, elegant, engine, engineer, engineering, equipment, factory, fast, force, fuel, gas, gasoline, gear, gold, industrial, industry, innovation, machine, machinery, mechanic, mechanical, mechanism, metal, metallic, motion, power, progress, steel, strength, teamwork, technology, transmission, valve, wheel,