E tele ituaiga ma lavelave ituaiga o valve, aemaise lava e aofia ai le faitotoa valve, globe valve, throttle valve, butterfly valve, plug valve, valve polo, valve eletise, valve diaphragm, valve siaki, valve saogalemu, valve fa'aititia o le mamafa, mailei ausa ma faʻalavelave faʻafuaseʻi. valve tapuni, ma isi, wh...
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