Ключевые слова: background, black background, business, clock, clockwork, closeup, cog, cogwheel, concept, connection, construction, cooperation, engine, engineering, equipment, factory, gear, gray, industrial, industry, innovation, machine, machine part, machinery, macro, manufacturing, mechanic, mechanical, mechanism, metal, metallic, motion, part, power, precision, steel, studio shot, teamwork, technology, time, transmission, vertical, watch, wheel, work,