Simbi giredhi yendiro yesimbi yakakora yakangofanana neiya yendiro yesimbi yakatetepa.Panyaya yezvigadzirwa, mukuwedzera kune bhiriji simbi ndiro, boiler simbi ndiro, mota yekugadzira simbi ndiro, yekumanikidza mudziyo simbi ndiro uye yakawanda-yepamusoro-inotsikirira mudziyo simbi ndiro, mamwe marudzi emarata esimbi, senge mota girder simbi ndiro (2.5) ~ 10mm gobvu), checkered simbi ndiro (2.5 ~ 8mm gobvu), Stainless simbi ndiro, simbi inodzivirira kupisa ndiro uye mamwe marudzi anoyambutswa nemahwendefa matete.
Mukuwedzera, ndiro yesimbi inewo zvinhu.Haasi ese mahwendefa esimbi akafanana.Izvo zvinhu zvakasiyana, uye nzvimbo iyo ndiro yesimbi inoshandiswa yakasiyanawo.