Lwm qhov tshwj xeeb ntawm kev ntim khoom tuaj yeem muab tau raws li cov neeg siv khoom xav tau
Tsawg kub insulated roj lub tog raj kheej
Ib lub tshuab hluav taws xob tsawg-kub insululated yog lub thawv siv los khaws cov kua roj cryogenic. Nws yog tsuas yog tsim los ntawm lub tank sab hauv, lub plhaub sab nraud, txheej txheej rwb thaiv tsev thiab cov cuab yeej kev nyab xeeb. Lub tank sab hauv yog siv los khaws cov kua dej qis, lub plhaub sab nraud tiv thaiv lub tank sab hauv, thiab cov txheej txheem rwb thaiv tsev yog siv los tiv thaiv cov kua dej qis los ntawm evaporating. Cov cuab yeej siv kev nyab xeeb yog siv los tiv thaiv cov kua dej cryogenic los ntawm kev tawg lossis tawg.