Kune marudzi maviri emuchina furemu: welded modhi uye akaungana modhi.Iyo yekutanga ndeye diki nepakati saizi, uye yekupedzisira ndeyehukuru hukuru.Iyo welded type inotora hombe arc fillet uye yakaderera stress welding nzira, inoderedza zvakanyanya iyo yekusimbisa kushushikana iyo inovimbisa rack yakaenzana simba mumativi ese, yakakwira kukanganisa kuramba, kunyangwe simba, yakaderera kutadza mwero.Yakaungana inoshandisa advanced modularization uye isina-welded furemu chimiro dhizaini yekuneta kwesimba uye kuvimbika kwakanyanya.Zvichakadaro dhizaini yekusangana kwemuchina inoita kuti chekufambisa, uye kuisirwa kuve nyore, kunyanya kwakakodzera kuisirwa munzvimbo dzakamanikana uye diki senge undermine uye yakakwira migodhi.