farce
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masana'anta kai tsaye samar da rufin rufin ƙusa tare da mafi kyawun farashi
Dangane da nau'i daban-daban na hular ƙusa, ana iya raba shi zuwa kusoshi masu daidaitawa da madauwari.Saboda ƙirar ƙusa daban-daban, akwai nau'ikan nau'ikan jiki mara kyau, ƙirar zobe, karkace da murabba'i.Mai siye na iya siya ko siffanta salo
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kankare ƙusa populat nada kusoshi da dunƙule ƙusoshi
Farcen siminti, wanda akafi sani da ƙusa na ƙarfe, wani nau'in ƙusa ne, ta amfani da samar da ƙarfe na carbon,
abu ne 45 karfe ko 60 karfe, bayan waya zane, annealing, ƙusa yin, quenching da sauran
tafiyar matakai, don haka rubutun yana da wuyar gaske.Ayyukansa shine ƙusa ƙusa a wasu ƙusa masu wuyar gaske
