Ключевые слова: abstract, art, background, black, business, circle, cog, cogwheel, communication, concept, connect, connection, design, digital, electronics, element, engine, engineering, equipment, futuristic, gear, gears, graphics, illustration, industrial, industry, innovation, internet, machine, machinery, mechanical, mechanism, metal, metallic, modern, motion, network, pastel, pattern, science, symbol, system, teamwork, tech, technical, technology, texture, web, wheel, work,