Enwere ọtụtụ ụdị ọkpọkọ ọkpọkọ, nke a na-ekewa dịka ojiji ha, njikọ, ihe na ụzọ nhazi si dị. Site na nzube 1. Pipe oyiyi akwa maka ejikọta ọkpọkọ bụ: flange, nkwonkwo, ọkpọkọ mwekota, ferrule, sooks mwekota, wdg 2, gbanwee ọkpọkọ ntụziaka nke ọkpọkọ: n'ikpere, n'ikpere ...
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