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Hoss
Daya daga cikin mahimman kayan aikin masana'antu na duniya shine mafi kyawun hanyar sadarwa da bututun sarrafawa. Pipelines safarar ruwa, na ruwa, tururi, da kuma gaseous. Kalmar "Propping" gaba ɗaya yana nufin tsarin bututun da ke jigilar kaya (misali, iska, tururi, ruwa, man fetur, sunadarai) a kusa da masana'antar masana'antu. Pipeles da bututun sarrafawa an yi shi ne da ƙarfe, sai a jefa baƙin ƙarfe, jan ƙarfe, ko na musamman haɗuwa ...