Ключевые слова: abstract, background, business, clock, clockwork, closeup, cog, cogwheel, concept, connection, design, engineering, equipment, factory, gear, growth, industrial, industry, machine, machinery, macro, mechanic, mechanical, mechanism, metal, metallic, motion, no people, old, part, power, precision, rotate, rotation, science, silver, steel, success, teamwork, technology, teeth, time, tool, watch, wheel,