Ruo ọtụtụ izu, ahịa mmanụ mmanụ nwere mgbanwe siri ike, mgbada recarburizer na-emepụta nkwado ọnụ ahịa mmepụta siri ike, ndị ọrụ ibe mmanụ coke ntụpọ ọkọnọ nọgidere na-esi ike, na-akpata mmanụ coke 'carburizer ntụpọ flux belatara nke ukwuu, ụlọ ọrụ mmepụta ubi siri ike bulli ...
GỤKWUO