Uma kukhulunywa ngezinto ezihlala isikhathi eside neziguquguqukayo, amashubhu e-fiberglass ayinketho ephezulu yezinhlelo zokusebenza eziningi. Ngamandla awo aphezulu, inani le-insulation, nokumelana nokugqwala, amashubhu e-fiberglass asephenduke into ethandwayo ezimbonini ezifana nezokwakha, i-aerospace, nezinjini zasolwandle...
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