Ключевые слова: cog, cogwheel, conceptual, detail, element, engine, engineering, equipment, gear, gearbox, industrial, industry, isolated, manufacture, manufacturing, mechanic, mechanical, mechanism, metal, metallic, motion, movement, object, part, pinion, power, precision, racket, repair, rotation, silver, sprocket, steel, technology, tooth, transfer, translation, transmission, wheel, white, work,