Ключевые слова: arc, background, beam, clean, cleaner, cleansing, construction, corrosion, device, dirt, dust, engineering, equipment, factory, fiber, fire, handheld, industrial, industry, innovation, innovative, iron, job, laser, light, machine, machinery, manufacturing, material, metal, modern, pipe, portable, process, ray, removal, remove, remover, repair, rust, rusty, spark, steel, surface, technologies, technology, tool, tube, uses, work,