Ключевые слова: align, blade, block, brick, builder, building, cement, circular, concrete, construction, cut, cutter, danger, dark, diamond, disc, dust, electric, electrical, equipment, glove, granite, grinder, grinding, hand, hard, home, horizontal, industrial, industry, job, man, marble, material, metal, power, rotation, saw, sawing, sharp, site, steel, stone, technology, tool, wheel, white, work, worker,