Ключевые слова: a solid part of the machine, advertising, angle, bevel gear, black, black background, car, closeup, component, concept, conceptual, cone, connection, design, development, energy, engine, engineering, equipment, gear, gear cutting, goods, group of objects, idea, industrial, industry, location, machine parts, machine tools, mechanical parts, mechanics, mechanism, metal, motor, power, precision, quality, rotation, sale, steel, strong, synergy linking s, teamwork, technical, technology, the accuracy, the danger, the threedimensional shape, tool, transmission,