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At that tail of the warhead, the drag armour-piercing firebomb is filled with a drag agent and a fireagent, Under the pressure of propellant propelling warhead, it will spontaneously ignite to produce open flame, So it can break through the oil drum and ignite or detonate the gasoline. However, the old-fashioned traced armour-piercing firebombs have obvious trajectories due to traced light when they are launched. Therefore, it is very easy to expose oneself while pointing targets to friendly forces. Therefore, the new tracer armour-piercing firebombs now equipped all start to burn and emit light only after the projectile flies out of the muzzle for a certain distance (the generally set safe distance is 100 meters, which makes it impossible for the enemy to judge the firing position with tracer ammunition, while targets within 100 meters do not need to be indicated by tracer), The principle is generally to ignite the tracer and combustion agent carried by the projectile by accumulating the heat generated by the warhead's friction with the air after flying for a certain distance to a certain extent.The natural water source and fire pool for LPG storage tank 6.0. 8 for fire engines shall be provided with fire engines 6.0. 9. The net width and clearance height of fire lanes shall not be less than 4.0 m.. Obstacles that hinder the operation of fire engines shall not be set up between the fire lane, factory buildings (warehouses) and civil buildings. 6.0. 10 At least two annular fire lanes shall be connected with other lanes. The end-type fire lane shall be provided with a return lane or return yard. The area of the return yard shall not be less than 12.0 m12.0 m fire truck road surface. The fire fighting operation site and the pipelines and underground ditches below shall be able to withstand the pressure of large fire engines. Traffic roads can be used for fire lanes, but the requirements for the passage and parking of fire engines should be met. 6.0. 11 The fire lane should not cross the main railway line horizontally. If it is necessary to cross horizontally, spare lanes shall be set up, and the distance between the two lanes shall not be less than the length of a train. In order to cooperate with the inspection of the fire safety passage of the workshop, the workshop shall be rectified. The overall planning and problem points are as follows. The total area of this transformation is 187.845 m2, and the transformation area and area are as follows: production office: 3.46*11.17m=39.2m2, packing room: 8.9*2.85m=25.36 m2), the area has changed from 39.2 m2 to 49.59 m2, i.e. The original production office area can accommodate 11 people (including filing cabinet and printing area), and now it can accommodate 14 people to work (including filing cabinet and printing area). Packing room: the location remains unchanged, and the overall area has the original礼堂上，周芷若看着张无忌渐渐消失的背影，她知道张无忌这一走再也不会回来了。盖林多能逃脱吗？迈克会让弗里克如愿以偿吗？战无不胜的影子勇士再次肩负起艰巨的使命。娘坚决不同意，还责备她说，除非她想把夫君送人，真是糊涂什么的。沈悯芮神秘笑道，不知道怎么回事，竟然有人送我首饰，这还有不收的理？你在这里有熟人？不是熟人，就见过一面。19世纪70年代，两名来自不同阶级的足球运动员努力应对职业和个人双重困境——他们不仅改写了足球史，也永远改变了英格兰。