Ключевые слова: abstract, background, battery, blade, brilliant, burn, business, closeup, consume, cutting, danger, dangerous, electric, electricity, energy, engineering, factory, fire, flames, flash, heat, high, hightech, hot, industrial, industry, laser, lazer, light, line, machine, manufacture, manufacturing, metal, power, powerful, production, protection, science, scientific, spark, sparklet, tech, technical, technique, technology, tools, weld, welding, work,