1, N'ọnọdụ nke na-adịghị mmetụta usoro nke ọkpọkọ ịgbado ọkụ, kwesịrị kwesịrị ekwesị na-amụba echekwabara ogologo, epoxy ntụ ntụ ọgwụgwụ nke polyethylene oyi akwa nwere ike igbochi n'ihi ígwè anwụrụ ikpo elu ruo ogologo oge, ọkpọkọ metal corrosion mere site oké 3. PE anticorrosive na-aghọ akụkụ gbagọrọ agbagọ.

2, Anticorrosive ọkpọkọ ruo ogologo oge, nke a na-edebe n'èzí ga-ekpuchi ya na ọkpọkọ, gbochie mmiri ozuzo, na-eme ka njedebe corrosion dị egwu.

3, Ọ bụrụ na pipeline ubi-ewu okirikiri ogologo, nwere ike besmear brushs weldable mgbochi nchara agba tube iferi metal, iji gbochie corrosion anwụrụ mere site corrosion n'oge nchekwa nke 3 Pee mkpuchi ibu warped onu.

Karịrị 4, njikwa siri ike nke njedebe tube echekwabara na igwe weld nke nwere oke mma. Polyethylene na weld slope outlets na ndị ọzọ nke ọkpọkọ ahụ, na-eme ka epoxy ntụ ntụ edobere ogologo> 20 mm, iji gbochie welds epoxy ntụ ntụ na ala nke corrosion nke mbụ 3 PE anticorrosion oyi akwa na-aghọ waped ihu.