Ключевые слова: apprentice, apprenticeship, business, caucasian, clipboard, cnc, control, engineer, engineering, equipment, factory, helmet, horizontal, indoors, industrial, industry, job, learning, machine, machinery, male, man, manager, manual, manufacture, manufacturing, mechanical, men, metal, occupation, operating, operator, people, precision, production, protection, safety, steel, teaching, team, technology, teenage, teenager, together, trainee, training, warehouse, worker, working, workshop,