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--- Iibharings zebhola ezizilungelelanisayo zizinto ezibalulekileyo kummandla weenkqubo zokuhambisa, ngakumbi kuseto lwemizi-mveliso. Ezi bherearings ezikhethekileyo zenzelwe ukulungiselela ukulungiswa okungalunganga phakathi kweshafti kunye nezindlu, okunokwenzeka ngenxa yokunyamezelana kwemveliso, ukwandiswa kobushushu, okanye ukunxiba ngokuhamba kwexesha. Olu phawu olukhethekileyo lubenza lubaluleke ngokukodwa kwizicelo apho ngokuchanekileyo khona