Bayanan samfurin:
Bakin karfe manhole ne gaggawa ventilation na'urar da aka shigar a kan tank saman, sau da yawa tare da firefighters, inji numfashi bawul amfani, duka biyu iya kauce wa saboda wani hatsari dalilai da ya haifar da m overload a cikin tank ko inji lokacin da lalacewar tank ya faru, kuma yana wasa wuta hana rawar, shi ne kare tank na'urar, musamman dace da ajiya kayan da nitrogen rufi na arched yau da kullun matsin lamba tank. Yana da m matsin lamba fitarwa, m matsin lamba numfashi, bude da rufe sassauci, wuta juriya, m tsari, hatimi aiki mai kyau, amintacce da sauran amfanin.
Bakin karfe manholes yawanci amfani da 304, 316L kayan karfe farantin a matsayin albarkatun kasa don yin.
Mutum rami raba zuwa gaggawa matsin lamba Release mutum rami, fashewa-resistant wuta hana numfashi mutum rami, tank saman mutum rami, tank bangon mutum rami da kuma core mutum rami da dai sauransu.