Ключевые слова: 2, 3d, african, american, application, black, cad, cnc, computer, design, desktop, develop, draft, electronic, electronics, engineer, engineering, equipment, factory, hand, hardware, industrial, industry, machine, maintenance, male, man, manufacturing, mechanical, model, monitor, multiple, office, part, pc, people, personal, production, program, school, science, screen, software, technical, technology, touching, two, using, worker, young,