Ключевые слова: abstract, accuracy, aesthetic, backdrop, background, black, bond, business, classic, close, closeup, cog, cogwheel, concept, conceptual, connect, cooperation, design, engine, equipment, factory, gear, gearbox, grey, idea, industry, interlock, large, machine, macro, metal, motion, motor, motorcycle, oil, parts, perfect, power, precision, rotate, shine, steel, success, team, teamwork, teeth, up, wheel, work,