Carbon simbi pombi yekugadzira nzira (1) isina musono simbi pombi- inopisa-yakakungurutswa machubhu, inotonhora inodhonzwa chubhu, yakawedzera chubhu, yepamusoro chubhu, inotonhora yakatenderedzwa chubhu (2) welded simbi pombi (A) zvinoenderana nemaitiro- arc welded pombi, magetsi kuramba. welded pombi (yakakwirira-frequency, yakaderera frequency), gasi pombi, choto weld ...
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