Ключевые слова: 3d, background, business, chrome, cog, cogwheel, collection, communication, component, concept, cooperation, element, engine, engineering, equipment, gear, gears, icon, industrial, industry, interlocking, isolated, machine, machinery, mechanic, mechanical, mechanics, mechanism, metal, motion, object, old, part, power, progress, rust, rusty, set, steel, symbol, technical, technology, teeth, texture, three, transmission, wheel, wheels, white,