Ilaphu le-UD lineempawu ezintle ezifana nokuziva okuthambileyo, ukuxinana okuphantsi, ukuxhathisa kwe-abrasion, ukumelana nempembelelo, ukuxhathisa ukusika kunye nokuqina.Isetyenziswa kakhulu kwisikrweqe somzimba esithambileyo, isigcina-ntloko sobungqina bembumbulu esikhaphukhaphu, ipleyiti yesixhobo sokumelana nebhulethi ekhaphukhaphu, yokuchasa ukuhlatywa, anti-c...
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