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