Ключевые слова: abstract, background, black, car, circle, closeup, cog, concept, connection, construction, cooperation, design, detail, engine, engineering, equipment, factory, gear, gears, idea, industrial, industry, machine, machinery, mechanic, mechanical, mechanism, metal, metallic, motor, neon, object, old, part, pattern, power, steel, table, teamwork, technology, teeth, texture, tool, tools, wheel, wooden, work,