Nekuda kwesimba rayo, kusimba uye kuita zvakasiyana-siyana, fiberglass roving yakashandiswa zvakanyanya munzvimbo dzakawanda dzakadai sekuvaka zvivakwa, corrosion resistance, simba rekuchengetedza simba, chekufambisa etc. Inonyanya kushandiswa sesimbisiro yezvinhu zvinoumbwa, inopa kuwedzera...
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