Ключевые слова: abstract, background, beautiful, blue, brass, circle, clock, clockwork, close, cog, cogs, cogwheel, concept, connection, cooperation, copper, design, engine, engineering, equipment, gear, gearwheel, industrial, industry, machine, machinery, macro, mechanical, mechanics, mechanism, metal, metallic, motion, movement, old, part, pinion, precision, retro, rotation, steampunk, steel, teamwork, technical, technology, together, unity, up, vintage, wheel,