(1) ʻAʻole e hoʻoheheʻe ʻia ke kūpaʻa kiʻekiʻe o ka wai i loko o ka wai, ke kokoleka a me kāna mau huahana ma ka ʻili o ke kō, ʻo ka icing a i ʻole ka anti-frost, no laila, he kiʻekiʻe ke kūpaʻa o ka ʻeke.
(2) High oxygen resistance kokoleka a me kāna mau huahana a me ka lōʻihi o ka launa pū me ka oxygen, he mea maʻalahi ke hoʻonā i nā mea momona, e alakaʻi ana i ka piʻi ʻana o ka waiwai peroxide o ke kokoleka a me kāna mau huahana.No laila, he kiʻekiʻe ke kū'ē i ka oxygen.
(3) ʻO ka sila maikaʻi inā maikaʻi ʻole ka sila ʻana o ka pōʻai, e komo ka mahu wai a me ka oxygen mai waho i loko o ka pahu, e pili ana i ka ʻike a me ka maikaʻi o ke kokoleka a me kāna mau huahana.No laila, ʻoi aku ka maikaʻi o ka hoʻopaʻa ʻana.