Mamiriro makuru eiyo chaiyo inopenya machubhu: pombi ine madziro echokwadi, yepamusoro-yemhando kupedzisa, isina-kupisa-yakagadziriswa simbi oxide layer, madziro emukati ehutsanana hwakanyanya kutsungirira kudzvanywa, kutonhora kushanduka, kupisa, kubata pasi pasina kuputika, kunogona kuita dzakasiyana-siyana dzakaoma deformation uye mechanic ...
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