Ключевые слова: 3d, abstract, app, background, clock, clockwork, close, cloud, cog, cogwheel, component, concept, conceptual, connection, cooperation, depth, engineering, equipment, field, gear, gold, high, industry, internet, list, machine, machined, mechanical, mechanics, mechanism, metal, metallic, network, networking, of, red, resolution, shallow, sign, silver, spring, steel, teamwork, technology, time, up, upload, watch, wheel, wooden, work,