| 摘要 |
A fire extinguisher comprises a conduit having an air inlet and outlet. A blower unit is used for delivering a stream of air from said inlet to said outlet for extinguishing a fire. The extinguisher includes a cooling device using water to cool the stream of air entering said inlet prior to it being delivered to said fire via said outlet, and a powder delivery system for injecting and mixing a powder into said cooled stream of air prior to it leaving said outlet. The cooling device utilising a tiny fraction of water to cool air as it passes there through.
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