Ключевые слова: 20, 3040, antinoise, apprentice, apprenticeship, building, business, carpenter, carpentry, construction, craft, craftsman, cut, cutting, earmuff, factory, goggles, indoors, industrial, industry, intern, machine, man, manual, occupation, plank, pointing, production, professional, protection, screen, standing, training, two, view, wood, work, worker, workshop, years,