Ключевые слова: angle, circular, construction, cutting, danger, disc, disk, electric, electrical, engineering, equipment, factory, grind, grinde, grinder, hand, industrial, industry, iron, job, machine, machinery, maintenance, manual, manufacturing, material, metal, metal workshop, part, power, repair, safety, safety cover, sanding, saw, service, spark, spin, steel, technician, technology, tool, tools, treating, work, worker, working practices, workplace, workshop,