I-Fiberglass iyi-inorganic non-metallic material enezakhiwo ezinhle kakhulu.Igama lokuqala lesiNgisi: i-glass fiber.Izithako yi-silica, i-alumina, i-calcium oxide, i-boron oxide, i-magnesium oxide, i-sodium oxide, njll. Isebenzisa amabhola engilazi o...
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