Ƙwallon Ƙwallon Ƙasa
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Bakin Karfe Flange Nau'in Ruwan Bawul
Bawul ɗin ƙwallon ƙwallon ba shi da kafaffen sanda, wanda aka sani da bawul ɗin ƙwallon ƙafa.Bawul ɗin ƙwallon ƙafa yana da hatimin wurin zama guda biyu a cikin jikin bawul, yana ɗaure ball a tsakanin su, ƙwallon yana da rami ta rami, diamita na ramin yana daidai da diamita na ciki na bututu, wanda ake kira cikakken diamita ball bawul;Diamita na ramin ya ɗan ƙanƙanta fiye da diamita na ciki na bututu, wanda ake kira bawul ɗin diamita mai raguwa.
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CIKAKKIYAR KWALLON KARFE MAI WELD
Bawul ɗin ƙwallon ƙafar ƙarfe mai cikakken walƙiya bawul ne na yau da kullun, babban fasalinsa shine saboda ƙwallon da bawul ɗin suna walda su cikin yanki ɗaya, bawul ɗin ba shi da sauƙi don samar da ɗigogi yayin amfani.An fi hada da bawul jiki, ball, kara, wurin zama, gasket da sauransu.An haɗa tushe da abin hannu na bawul ta cikin ƙwallon, kuma ana juya ƙafar hannu don kunna ƙwallon don buɗewa da rufe bawul ɗin.Abubuwan samarwa sun bambanta bisa ga amfani da mahalli daban-daban, kafofin watsa labarai, da sauransu, galibi carbon karfe, bakin karfe, gami karfe, simintin ƙarfe, da dai sauransu.
