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| What are the JQJ waterproof zipper use for? |
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1)Protection:space suit, driving suit, life jacket, fishery suit, protective clothing, decompression clothing, radiation protective clothing.
2)Cover:navigation engine, electropult, weapon ammo, exploder, and chemical, missile, airplane, important instrument and container.
3)Others:air lock room, water walking ball, tent, life raft, survival instrument, shipping instrument, hovercraft, water bed and so on.
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