Walda walƙiya ta walƙiya hanya ce da ake amfani da ita don haɗa kayan haɗin ƙarfe, musamman a cikin masana'antar kera motoci, sararin samaniya, da gine-gine. Ingancin waɗannan haɗin gwiwar walda yana da mahimmancin mahimmanci, saboda kai tsaye yana shafar amincin tsari da aikin samfurin ƙarshe. A cikin wannan...
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