Ana amfani da bututun ƙarfe don isar da ruwa da ƙaƙƙarfan foda, musayar zafi, sassan injinan masana'anta da kwantena, kayan tattalin arziki ne. Karfe yi tsarin da karfe truss, ginshiƙi da kuma inji goyon baya, na iya rage nauyi, ajiye 20 ~ 40% karfe, da kuma iya gane mechanized yi tare da karfe bututu masana'antu masana'anta. Gadar babbar hanya ba za ta iya ceton karfe kawai ba, sauƙaƙe aikin gini, kuma tana iya rage yawan rufin da aka rufe, tana ceton saka hannun jari da farashin kulawa.
Lokacin aikawa: Juni-02-2017
