Ance na ojiji e ji mara, ya mere igwe anaghị agba nchara ka ga-abụ otu n'ime ihe ụlọ kacha mma n'ụwa.
A na-agbasawanye mpaghara ngwa nke 12Cr1MoVG alloy pipe iji nye ohere sara mbara maka mmepe nke ụlọ ọrụ ahụ.