Ключевые слова: abstract, background, binding, blue, business, circle, circuit, closeup, cog, communication, concept, connect, connection, cooperation, design, energy, engine, engineer, engineering, equipment, factory, gear, hardware, illustration, industrial, industry, innovation, machine, machinery, mechanic, mechanical, mechanism, metal, metallic, modern, motion, organization, rotate, round, science, shape, steel, success, symbol, teamwork, technical, technology, teeth, wheel, work,