Ọwa ọkụ na-egbutu mmanụ ọkụ nwere ike iwepụta okpomoku ọkụ n'etiti 3100 na 3150C.
A na-eji ọkụ a na-atụpụta site na ọkpọkọ ikuku oxy-acetylene na-agbaji n'ígwè ọkụ a siri ike..
Ọwa ọkụ na-egbutu mmanụ ọkụ nwere ike iwepụta okpomoku ọkụ n'etiti 3100 na 3150C.
A na-eji ọkụ a na-atụpụta site na ọkpọkọ ikuku oxy-acetylene na-agbaji n'ígwè ọkụ a siri ike..