① The uzuoku na mmanụ ọkụ pipeline na-agbajikwa na leaked, engine ngọngọ bụ corroded na ọkọ, Corrosion nke nsọtụ nke draịva akwụkwọ na ntapu nke ikuku na-ekpuchi elu nke njedebe mkpuchi, mmezi nke plastic ịkpụzi ebu, wdg .; ② Ụgbọ elu, flanges, hydraulic usoro, threaded nkwonkwo, e ...
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