Ɗaya shine cewa folds farantin karfe ya zama madaidaiciya.Yawancin lokaci, manyan kamfanoni suna amfani da injin Laser na CNC cikakke ta atomatik don ninka gefuna.Rufewa suna kallon ido kai tsaye, akwai ƴan yaƙe-yaƙe da rashin daidaituwa, kuma taɓawa tana da santsi da santsi.Na biyu shine budewa, musamman...
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