Tankin ajiya na carbon dioxide, tankin ajiyar ruwa mai ƙarancin zafin jiki na carbon dioxide, tsari don akwati na ciki da na waje wanda ya ƙunshi kwantena biyu, don nau'in vacuum foda adiabatic, ana iya raba shi zuwa nau'ikan a tsaye da a kwance, zaɓin kayan kayan ciki na ciki 16MnDR, ana iya zaɓar kayan kayan waje bisa ga yankin mai amfani Q235-B ko 16MnR.