Bututun ƙarfe suna taka muhimmiyar rawa a fagen gine-gine, sufuri, man fetur, da masana'antar sinadarai. Daga cikin su, an fi son bututun ƙarfe marasa ƙarfi don kyakkyawan aikin su da fa'idodin aikace-aikacen fa'ida. DN48 bututun ƙarfe mara nauyi, a matsayin ɗaya daga cikin ƙayyadaddun bayanai, sun jawo hankalin ...
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