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Iiflethi ze-Dewar zisetyenziswa ngokubanzi kwiinkalo ezahlukeneyo ezinjengophando lwezenzululwazi, ukuqhutywa kwezonyango, ukuphononongwa kwangaphandle, kunye nokusetyenziswa kwekhaya.

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Iiflethi ze-Dewar zisetyenziswa ngokubanzi kwiinkalo ezahlukeneyo ezinjengophando lwezenzululwazi, ukuqhutywa kwezonyango, ukuphononongwa kwangaphandle, kunye nokusetyenziswa kwekhaya. Kuphando lwezenzululwazi, basetyenziselwa ukugcina kwaye bathuthe kwaye bathutha amanzi amaqondo obushushu asezantsi njenge-nitrogen ye-nitrogen kunye neoksijini yolwelo; Kwicandelo lezonyango, bagcina amayeza egoni kunye neesampulu zegazi; Ngelixa i-advents engaphandle, isebenza njengezitya ezifanelekileyo zeenkampu ukuba zithwale amanzi ashushu okanye abandayo. Ngaphaya koko, iiflethi zangaphandle zithandwa ngabasebenzisi bamakhaya ngenxa yepropathi yazo eyahlukileyo, zisenza ukuba zilungele ukuqalisa, ukwenza ikofu, okanye ukugcina isiselo esinxilisayo.

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    Ngaphezulu kwetanki ye-rioger dewar