Sun ga-emepụta ihe mkpuchi akụkụ Bi-metal maka ihe nfụkasị mmetụta. The Bi-metal liners na-ejikọta ihe kacha mma na-eyi nguzogide nke chrome white iron on wear suface na mmetụta kacha mma nke nkwado ndabere na mpaghara efere ígwè. Nke a bụ ihe ngwọta ọhụrụ na nke dị mma iji dozie nsogbu ahụ maka ndị na-eme ihe n'akụkụ n'akụkụ nkuku.

Biko kpọtụrụ anyị maka nkọwa ndị ọzọ.