Free-yankan karfe zagaye Bar / Hel Bar

Yankan ƙarfe na kyauta kuma an san shi da injiniyan kyauta na kyauta sune waɗancan ƙarfe waɗanda ke samar da ƙananan kwakwalwan kwamfuta lokacin da mura. Wannan yana ƙara mickan na kayan ta hanyar karya kwakwalwan kwamfuta cikin kananan guda, don haka guje wa rukunin shiga cikin injunan. Wannan yana ba da damar sarrafa kayan aiki ba tare da hulɗa na ɗan adam ba. Yankan yankan ƙarfe na kyauta tare da jagorar kuma ba da izinin ƙimar ƙimar da aka bayar. A matsayinka na babban yatsa, ƙwan ƙarfe na kyauta yana biyan kuɗi 15% zuwa 20% fiye da ƙimar ƙarfe. Koyaya ya kasance ta hanyar ƙara saurin sarrafa na'ura, yanke abubuwa, da tsawon rai kayan aiki.

A rage karfe wanda shine alloy karfe a cikin sily. A matsayin ci gaban fasaha na inji, da buƙatun don machinbory of karfe ya more kuma mafi mahimmanci. Tana da tasiri sosai a cikin masana'antar.