Nekunzwisisa zvakadzama zvinodikanwa, nyaya, uye zvinangwa zvevatengi vavo, yakaoma alloy tekinoroji nyanzvi dzinokwanisa kupa huwandu hwakakwana, hwakadzama, uye hwakanangwa nhungamiro nemazano.Isu tinoitisa ongororo dzakadzama dzezvinhu zvakasiyana-siyana senge tekinoroji, maitiro, uye marongero, tichigadzira zvigadziriso zvakanangana nemutengi wega wega.Iyi nyanzvi yekuongorora uye kugadzirisa kunobatsira vatengi mukuwana zvakatanhamara mhedzisiro uye kubudirira mumunda weiyo hard alloy.Iyo nyanzvi 'ruzivo rwakakura rwehunyanzvi hunoshanda sehwaro hwakasimba hwekuita uku, huchivabvumira kuti vasangane nezvinodiwa nevatengi, kuendesa kukosha kukuru, uye kupa rutsigiro runoenderera mberi rwekusimudzira kwevatengi mukati mekubatana kwenguva refu.