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Q&A: How long is the maintenance cycle for fire extinguishers?
I. Simple Fire Extinguisher: Q: What is a simple fire extinguisher? A: Freely movable, with a fire extinguishing agent filling capacity of l···
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How should we view the use and popularization of fire extinguishers in households? Just in case!
Many people know that fire is actually one of the most common disasters. When it comes to fires, many people will share a lot of common sens···
