Ключевые слова: art, background, bank, brass, business, closeup, cog, cogwheel, concept, design, detail, engine, engineering, equipment, frame, gear, gearing, gears, golden, industrial, industry, interlock, iron, lock, machine, machinery, manufacturing, mechanical, mechanics, metal, metallic, part, pinion, precision, protect, protection, reducer, rotation, safe, safety, secure, security, shaft, steampunk, steel, symbol, teamwork, technology, torque, wheel,