Ключевые слова: abstract, alternative, antique design, background, brass, bronze, clock, clockwork, computer science, concept, copper, decorative elements, electricity, engineering, equipment, fantasy, gear, gears, gold and black, green, grunge, hinges, history, illustration, industrial, industry, machine, machinery, man, mechanism, metal, metallic, moving wheel, nail, part, power, pressure gauge, punk, retro, robot, rust, rusty texture, spikes, steam, steampunk, steel, symbol, technology, victorian, vintage,