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I-Roller yokulungisa iiNcingo eziQinisekileyo
Intambo yokuwelda ethe nkqo Ilungele ukulungisa ilitye lokusila, idiski yokusila, ilitye lokusila lesamente elithe nkqo, njl. njl. -
IiNcingo eziKhuselekileyo eziKhuselekileyo ngerhasi
Isicelo: Intsimbi ye-manganese ephezulu yocingo oluqinileyo, Ifanelekile kwi-hardfacing intloko yesando, ipleyiti yehamile kunye nezinye iindawo ezineempembelelo eziphezulu. oomatshini basezimayini kunye njl. Ifanelekile ukuba i-hardfacing iqhubeke iphosa umqulu.