Ключевые слова: banner, board, business, circle, cog, cog wheel, cogwheel, concept, connection, construction, design, dot, economic, engine, engineering, equipment, gear, geometric, industry, innovation, line, machine, machinery, manufacture, mechanic, mechanical, mechanism, molecular, nature, net, part, pinion, plank, plant, polygonal, power, round, silhouette, strength, technical, technology, teeth, tool, toothed, tree, usa, wheel, wire frame, wood, work,