ʻO nā dewars he mea kanu kūikawā i hoʻopaʻaʻia i nā'āpana kila kila. Hoʻolālāʻia no ka mālamaʻana, ka laweʻana a me ka hoʻohanaʻana i ka oxygen wai wai, nitrogen, argon a iʻole ka carbon dioxide.
