A samar tsari na bakin karfe ruwa da galvanized ruwa ne m kama.Girman ruwa yawanci ana ƙaddara bisa ga mold.
Sai dai in wani tsari ne na musamman na musamman, igiya ta bakin karfe da aka samar a yanzu ana samar da ita ne da tsayin tsawan ruwa na 22mm, wanda shine abin da muke kira nau'in bto-22.Ba dole ba ne ya zama yanayin cewa akwai ƙayyadaddun bayanai daga 11mm zuwa 65mm.Sai dai idan abokin ciniki ya nace akan keɓance ƙayyadaddun tsayin daka, mai kera igiya yana samar da bto-22 bakin ƙarfe baƙar igiya.
Lokacin aikawa: 11-11-22