Ключевые слова: 3d, african, aircraft, airplane, airport, american, application, black, business, cad, cnc, computer, design, desktop, develop, draft, electronic, electronics, energy, engine, engineer, engineering, equipment, hand, hardware, industrial, industry, jet, machine, maintenance, man, mechanical, men, model, monitor, multiple, office, part, pc, personal, plane, program, repair, screen, software, technology, turbine, using, worker, young,