Nkọwa nkenke:

Mkpakọ iyi na-enye a ike mgbe mmiri na-abịakọrọ axially.We rụpụta omenala mkpakọ… iyi gị kpọmkwem nkọwa - n'ihi na ma static ma ọ bụ ike ngwa. Anyị na-enye zuru ezu downstream ike dị ka egweri, shot ekpepụsị, okpomọkụ ọnọdụ, agba indentification na corrosion nchebe.