Valve Ihe mkpuchi mkpuchi d? mma maka ?t?t? ?l? ?r?, nd? a b? ?f?d? ak?k? nke ngwa:

?chekwa ume na mbelata oriri
Maka pipeline na ak?r?ngwa na mpaghara mmep?ta ihe, d? ka pipeline uzuoku, reactors, wdg, na Jacket mkpuchi okpom?k? nwere ike ibelata okpom?k? na-efunah? gburugburu ebe obibi, debe ihe d? n'ime ya na okpom?k? ach?r?,

Nleba anya mgbanwe okpom?k? nke mp?ga tupu na mgbe mgbanwe gas?r?
H?r? ?f?d? ihe nleba anya maka mgbanwe mkpuchi ?k? na-echekwa ?k? nke ak?r?ngwa ?k? na pipeline, ma t?? okpom?k? d? n'èzí nke ebe nlekota tupu na mgbe mgbanwe ah? gas?r?.