A na-emekarị ọnụ ụzọ nke igbe ihe ngosi refrigerated nke iko okpukpu abụọ nke etinyere na etiti nke ọnụ ụzọ ahụ, a na-agbakwunyekwa ndị desiccants n'etiti iko okpukpu abụọ iji mee akara okpukpu abụọ iji mee iko mkpuchi, ọ nwekwara ike jupụta na nitrogen. na a dịtụ ala thermal conductivity.ma ọ bụ helium.A na-ejikọta ọnụ ụzọ na kabinet site na hinges.

Akụrụngwa achọrọ iji hazie ọnụ ụzọ enyo nwere friji abụọ:

Akpaaka gas na-ejuputa ihe ntanetị na-emepụta ihe mkpuchi iko, igwe mkpuchi butyl, igwe mkpuchi mkpuchi, igwe na-ehulata aluminom, igwe na-ejuputa ihe, igwe na-ebufe oghere aluminom.