A na-eji ya eme ihe dịka ọkpọkọ ọkụ, ọkpọkọ mgbanwe okpomọkụ na pipelines na ụlọ ọrụ mmanụ na ụlọ ọrụ mmanụ ọkụ

A na-eji ya eme ihe n'ịmepụta paịpụ mgbidi e ji mmiri mee, paịpụ mmiri esi mmiri, paịpụ uzuoku a na-ekpo oke ọkụ, paịpụ uzuoku a na-ekpo oke ọkụ maka boilers locomotive, paịpụ anwụrụ ọkụ buru ibu na obere na paịpụ brik a na-agba agba, wdg.