Ключевые слова: blade, block, bluecollar, build, builder, building, cement, cinder, circular, concrete, construction, cut, cutter, cutting, danger, dust, dustiness, dusty, environment, equipment, groove, hands, hazardous, inhalation, inhale, labor, machine, machinery, man, masonry, mill, milling, people, personnel, safety, saw, sawing, skill, staff, structure, tool, tools, unhealthy, wages, work, worker, working, workman, workplace,