Izinto ezahlukeneyo zobhedu, ezifana ne-95, i-53, i-56, kunye ne-62, zinemidibaniso eyahlukeneyo yobhedu kunye ne-zinc, echaphazela iipropati ze-alloy yobhedu, njengokumelana nokubola, amandla kunye nobuqili.Umzekelo, i-95 yebhedu, eyi-95% yobhedu kunye ne-5% ye-zinc, ihlala isetyenziselwa ukwenza iimpompo ze-beca...
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