Jiyya na farfajiya hanya ce ta aiki wacce take a cikin kayan gini ta kayan da aka yi da ita, ta sami babban abu na kayan aikin {{0} manufar kayan aikin masarautar. kuma mika rayuwar sabis ɗin samfurin {{3} Idan ba a kula da shi ba, ba kawai ya shafi ƙwayar ƙwayar cuta da kuma rayuwar kayan aikin ba . ent
Don magungunan ƙarfe, hanyoyin da muke amfani da su na yau da kullun sune nika na inji, magani na ruwa, da deburr, deofreasing, da kuma deoxidize farfajiya {{{{1} deb
A yayin aiki, sufuri, da adana kayan aikin, tsatsa, surfallence mai narkewa, ba kawai zai iya shafar ƙarfin haɗin gwiwa da juriya na lalata ba mai rufi da karfe, amma kuma yana haifar da ƙarfe na haɗin kai ko kuma rayuwar kayan aiki na samfurin {4} don haka}
