Kuchepetsa kusamutsa kutentha ndi kuphatikizira ndikuwonetsetsa, kununkhira kwa dewar kumakhala ndi makhoma awiri olekanitsidwa ndi vacuum.
Kuwala kwa dewar ndiye njira yabwino yosungira zamadzimadzi ndikupanga zoyeserera zotsika kutentha.
Mukamasunga dewar nthomba, onetsetsani kuti amaikidwa mu malo otetezedwa, owuma kutali ndi dzuwa, kutali ndi zida zoyaka ndi zotentha.
Onetsetsani kuti kugwiritsa ntchito masilinda otetezeka komanso kuchepetsa ngozi zomwe zingachitike.
Crornogenic Madzimadzi Madzimadzi ophika oxagen dewar cylinders ndi chotengera chapadera, chomwe chimagwiritsidwa ntchito mu chipatala chosungira ndi kunyamula mpweya wamadzi.
Ma cylinder amagwiritsidwa ntchito kwambiri posungira mitundu yosiyanasiyana ya ma crylogenic, omwe amatenga gawo lofunikira mu magawo osiyanasiyana ogwiritsa ntchito.
Kuchita bwino kwa tambala nthawi zambiri kumawerengedwa ndi kutentha kwake kwamoto, komwe kumachepetsa momwe kutentha kwamphamvu kumalowera mwachangu thankiyo ndikupangitsa madzi amisinkhu kuti atuluke.
