Wadanne nau'ikan mashin suna da tasiri sosai wajen aikin hakar ƙarfe?
Nau'in na'urar murfinsu mafi inganci don aikin hakar copper yana dogara ne akan girman, kankara, yawan danshi, da sauran halayen jiki na ƙarfen copper, da kuma ƙayyadaddun buƙatun don rage girman ƙananan ƙwayoyin a cikin tsarin aiki na ma'adanin.
11 Afrilu 2021