Xa kuziwa ekukhetheni ityesi yesixhobo, imathiriyeli eyenziwe ngayo inokwenza umahluko omkhulu. Inketho nganye-iplastiki, ilaphu, intsimbi, okanye i-aluminium-inamandla ayo, kodwa emva kokuthelekisa iinketho, i-aluminium ihlala iphuma njengeyona nto ingcono kakhulu, i-reli...
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