View Larger Image Valve ke e 'ngoe ea lisebelisoa tsa bohlokoa tsamaisong ea ho laola metsi.Hona joale, lits'ebetso tse ka sehloohong tsa valve li kenyelletsa peterole le khase, matla, boenjiniere ba lik'hemik'hale, phepelo ea metsi le likhoerekhoere, ho etsa pampiri le metallurgy.Har'a tsona, indasteri ea oli le khase, matla le lik'hemik'hale ...
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