A na-eji ihe ndozi eriri ahiri fiberglass pipe emeputa ma meghari ọkpọ oku site na DN50m rue DN4000mm, ya na ájá.
A na-ejikarị usoro nchekwa frivlass tanberglass iji mepụta ma rụọ ọrụ eriri ọkpọ na arịa nwere dayameta site na DN500mm ruo DN25000mm.