Ключевые слова: blue fiery glow, blue fire, blue flame, blue flame effect, bright, burning, burning gas, combustion, combustion process, energy, energy efficiency, energy source, fiery, fiery blue, fiery combustion, flame intensity, flame technology, fuel, fuel combustion, gas, gas appliance, gas combustion, gas energy, gas flame, gas heating, gas power, gas technology, heat, heat generation, heat production, high temperature, highenergy flame, hot, intense energy, intense heat, intensity, powerful heat, vibrant, vibrant blue,