Njirimara WCB-1 Chain Block 1. Ihe nkedo eji emepụta ọkọlọtọ maka ịwelite efere efere na akụkụ nchara. Usoro mkpọchi mkpọchi mkpọchi nke oge opupu ihe ubi na-emesi ike ike nke mbụ ike.
2. A na -ejikọ ihe nkedo nwere usoro nchekwa, na -ahụ na mgbachi ahụ anaghị amị amị mgbe etinyere ike yana mgbe eburu ibu.
3. Emepụtara site na ezigbo nchara carbon
4. Zere ịkwapụ ma ọ bụ ibubata ujo
5. High frquency quenching nke die esorowo pụrụ iche alloy steels na -enye ukwuu anwụ ngwa ngwa ka cam.