Yintoni kanye kanye umenzi wesitampu?Ithiyori yokusebenza: Ngokwenyani, umenzi wesitampu liziko elikhethekileyo apho iinxalenye ezahlukeneyo ziveliswa kusetyenziswa indlela yokunyathela.Uninzi lwesinyithi, kubandakanywa intsimbi, i-aluminiyam, igolide, kunye ne-alloys enobugocigoci, ingasetyenziselwa isitampu.Mna ndithini...
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