Ключевые слова: aged, apparatus, background, circle, clock, clockwork, closeup, cog, cogwheel, concept, connect, connection, design, detail, engine, engineering, equipment, gear, industrial, industry, iron, isolated, machine, machinery, macro, mechanic, mechanical, mechanism, metal, metallic, motor, old, part, power, precision, retro, rotation, steel, technical, technology, time, turn, vintage, watch, wheel, white, work,