Ukusetshenziswa kwama-Cylinders O₂
I-litrogen dewar flask ephathekayo inikezela ngokufakwa kokunemba kokufakelwa, ukuqinisekisa ukugcinwa okuphephile futhi okuthembekile kwe-nitrogen ewuketshezi.
Ama-cylinder we-welded afakwe igesi (lapha abizwa ngokuthi ama-cylinders kaphethiloli) anesakhiwo esinezingqimba eziphindwe kabili, esinongqimba olufakwayo phakathi kwe-liner yangaphakathi negobolondo elingaphandle. Isendlalelo esifaka i-infauting sifakwe izingqimba eziningi zezinto ezibonakalayo ezifaka amandla futhi zigcina i-vacuum ephezulu, futhi zisetshenziselwa ukuthutha kanye nokugcinwa koketshezi olubandayo olujulile njenge-nitrogen ewuketshezi kanye no-oxygen owuketshezi.
Umsebenzi oyinhloko wethangi le-dewar ukuze ulondoloze amazinga okushisa aphansi okhiye be-cryogenic abaphethe. Ukufakwa kwe-vacuum phakathi kwezindonga zangaphakathi nezangaphandle kunciphisa ukudluliswa kokushisa ngokutholwa kanye nokuxhuma. Amanye ama-dewars afaka futhi ukufakwa kwezingqimba okuhlukahlukene (MLI), okuqukethe izingqimba eziningana ezibonisa ukunciphisa ukudluliswa kokushisa ngemisebe.