Ключевые слова: 1520, 4045, antinoise, apprentice, apprenticeship, building, business, carpenter, carpentry, caucasian, construction, craft, craftsman, cutting, earmuff, factory, gloves, goggles, headphones, indoors, industrial, industry, intern, laborer, machine, man, manual, occupation, persons, plank, production, professional, profile, protection, standing, training, two, view, wood, work, worker, workshop, years,