Is not completely explode, also tempering the time, but the general probability is relatively small, so always check the Paper Tiger under the intake vent is clogged, Tiger skin in the process of using the intake device and outlet means, when the intake air, the use of rubber elasticity, save for the air, and then slowly by the outlet port through the oil tank to the mixed gas of gasoline and air is brought to the fire, muzzle, The principle is that the gas are out blowing, no inside suction, so does not cause tempering If you tiger skin problems intake port in the spring return force, the air inlet suction intake air state, that was originally The outlet air intake is likely to become, so that the fire down fire muzzle back to the petrol tank caused tempered.