Ключевые слова: abstract, backdrop, beautiful, black, business, car, closeup, cog, cogwheel, concept, conceptual, connect, design, engine, equipment, factory, gear, gearbox, industrial, industry, machine, machinery, mechanic, mechanical, mechanism, metal, metallic, motion, motor, part, power, precious, precision, spare, stainless, steel, team, teamwork, technology, teeth, wheel,