Concierge flowers use compressed gas as the driving power. The tank contains high-pressure gas. The gas pressure is high and the tank is sealed. It is very easy to explode, especially when it is crushed and collided, and when the summer temperature is high. The tanks are mostly made of metal materials. The edges of the fragments after the explosion are sharp, and the fragments are splashed everywhere. The damage is extremely strong, no less than a bomb. The debris can be easily cut into the deep layers of the human body. Once the person is hit by the debris, it will be bruised and bruised.
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