Ключевые слова: abstract, backgrounds, circle, clockwork, clockworks, close, closeup, component, computer, concepts, data, disassembling, electrical, engine, engineering, equipment, factory, gears, gold, industry, iron, machine, machinery, macro, manufacturing, mechanic, mechanism, metal, metallic, motion, object, occupation, old, part, part of, repairing, robot, science, shiny, single, steel, technology, turning, up, vehicle, watch, wheel, working,