Ключевые слова: activity, angle, block, builder, building, business, cement, circle, circular, concrete, construction, constructor, cut, cutter, cutting, disc, disk, dust, electric, electrical, engineer, equipment, grinder, hand, industrial, industry, instrument, job, machine, machinery, man, manual, manufacturing, material, plaster, professional, saw, sawing, sculptor, stone, stonemason, technology, tile, tool, work, worker, workshop,