A 210l ruwa na ruwa na ruwa na 210l na ruwa shine babban aikin clogenicic insultated don ajiya da jigilar nitrogen ruwa.
Dewar Flask na bambance bambancen dumɓu biyu na Dewar, wanda ya rage yawan canja wuri don samar da ingantaccen rufi da kuma adana zafi, shine tushen aikinsa.
Da zarar an dawo da Digiri na Vacuum zuwa darajar masana'antar, insulation wasan kwaikwayon na silinda mai gas na iya zama muhimmanci sosai.
Dewars ne ke rufe bakin karfe na musamman. Wanda aka tsara don ajiya, sufuri da amfani da ruwan oxygen ruwa, nitrogen, argon ko carbon dioxide.