Ключевые слова: angle grinder, circular, disc, electric, engineering, factory, fire, flash, glow, hold, human, instrument, job, labor, machine, maintenance, male, manufacturing, material, mechanic, men at work, metal, metal net, net, occupation, portable, preprocessing, processing, production, professional, protection, rotation, round, safety, side, spark, sparkle, speed, steel, steel net, technical, tool, turn, welding, wheel, work, worker, working, workshop,