Ключевые слова: background, black, blaze, blue, bright, burn, burner, butane, carbon, closeup, combustion, danger, dark, dioxide, energy, fiery, fire, flame, flaming, flammable, fuel, gas, glow, glowing, heat, hot, industrial, industry, isolated, light, methane, natural, power, propane, repair, safety, science, single, soldering, temperature, tool, torch, welding,