Babban aikin dana'ura mai fashewashine cire burrs da tsatsa a saman samfurin karfe, ko wasu ƙazanta da ke haɗe saman samfurin karfe. Na'urar fashewar harbi har yanzu ita ce mafi kyawun fasahar jiyya ta sama da injin da ya fi dacewa a cikin samar da ƙarfe, don haka ana amfani da injin fashewar harbi a cikin aikin samar da ƙarfe.
Bugu da ƙari, fasaha mai kyau na gyaran fuska, na'urar fashewar harbe-harbe kuma na iya cire wasu samfurori tare da gurɓataccen gurɓataccen abu da aka makala a saman, kuma yana kara ƙarfafa sakamakon jiyya bisa ga buƙatun samarwa, ta yadda za a iya tabbatar da sakamakon maganin saman.
Babban aikin na'ura mai fashewa a cikin samar da masana'antu shine kula da saman kayan karafa, kuma a lokaci guda, yana iya rage gajiyar rayuwa na sassa, ƙara damuwa daban-daban, kuma ana iya cewa yana ƙara ƙarfin ƙarfin. ɓangarorin samfur, ƙyale samfuran ƙarfe Tsarin jiyya na saman ya fi kamala, kuma ana iya bincikar ƙarancin grit ɗin ƙarfe da harbin ƙarfe ta injin fashewar harbi.
