Nui nā pilikia maʻamau e pili ana i nā valves, ʻoi aku ka nui o nā mea maʻamau e holo ana, e holo ana, a me ka hū, i ʻike pinepine ʻia i nā hale hana. ʻO ka lima o ka valve o nā valve maʻamau i hana ʻia me ka synthetic rubber, kahi maikaʻi ʻole o ka hana piha, e hopena i ka ex...
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