Purpose-built knapsacks for use suppression and damping down continue to improve and provide new benefits. The new Pac-Lider flexible backpack extinguisher produced by Acqua Lider UK Ltd is a useful practical alternative to a conventional knapsack sprayer In addition to being less bulky and lighter to carry, the following advantages were noted: The pump action nozzle is very robust: it can be easily adjusted to form either a fine fan water spray pattern 3m long by 3m wide or a 12 m long direct jet water stream. The 2m jet stream can be used to keep the operator at a distance from the flames to improve personal protection.
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机译：用于抑制使用和抑制使用的专用背包不断改进，并提供了新的好处。 Acqua Lider UK Ltd生产的新型Pac-Lider柔性背包式灭火器是常规背负式喷雾器的实用替代品，除了体积小，重量轻之外，还具有以下优点：泵作用喷嘴非常坚固：可以轻松调节以形成3m长x 3m宽的细扇形喷水图案或12m长的直接喷射水流。 2m的喷射流可用于使操作员远离火焰，以改善人身保护。
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