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Iphepha le-Kraft lenziwa ngenqubo ye-vulcanization, eqinisekisa ukuthi iphepha le-kraft lifaneleka kahle ukusetshenziswa kwalo okuhlosiwe. Ngenxa yezindinganiso ezandisiwe zokwephula ukuqina, ukuklebhuka, kanye namandla okudonsa, kanye nesidingo...Funda kabanzi