Umsonto we-fastener yinto ebalulekileyo kwihlabathi lobunjineli kunye nokwakha. Iziqhoboshi, ezifana nezikrufu, iibholiti, kunye namandongomane, zixhomekeke kuyilo lwazo oludityanisiweyo ukwenza imidibaniso ekhuselekileyo phakathi kwezinto ezahlukeneyo. Umsonto wesiqhoboshi ubhekisa kwi-helical r...
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