Ключевые слова: angle, automotive, ball, bearing, belt, box, building, car, circle, closeup, construction, conveyor, curve, cut, design, equipment, fixing, garage, grinder, grinding, hand, hands, industrial, industry, iron, machine, male, man, material, mechanic, metal, motor, oil, part, power, professional, repair, safety, service, shop, sparks, sphere, steel, technology, tool, transportation, vehicle, work, worker,