Big steel pipe pipes are being cut from steel cutters by construction workers. Large iron hollow Use it as a roof pole. Sparking occurs while working, the steel pipe is sprayed red to prevent rust and looks beautiful

color, red, equipment, metal, one, people, cutting, steel, protection, man, electric, electrical, industrial, power, technology, cut, machine, paint, gloves, construction, industry, hot, work, tool, tube, protective, material, safety, manufacturing, manual, iron, angle, engineering, pipe, workshop, worker, cutter, technical, maintenance, factory, paintbrush, spark, grinding, grinder, fitter, craftsman, welding, rustproof, metalworker, fabricate,