Ключевые слова: abstract, background, business, circle, cog, cogwheel, concept, connection, construction, creative, design, education, element, energy, engine, engineering, equipment, gear, group, hand, home, house, icon, idea, industrial, industry, innovation, instrument, isolated, machine, machinery, mechanic, mechanical, mechanism, object, old, part, power, progress, solution, strategy, success, symbol, teamwork, technical, technology, wheel, wood, wooden, work,