Ключевые слова: abstract, background, black, business, clock, clockwork, closeup, cog, cogwheel, concept, conceptual, connect, connection, construction, dark, deadline, design, engine, engineering, equipment, friction, gear, idea, industrial, industry, interlock, interlocked, machine, machinery, mechanic, mechanical, mechanism, metal, metallic, movement, objects, old, retro, rusty, steampunk, steel, strategy, symbol, team work, technology, time, vintage, wheel, wheels, work,