Ma hope o ka hoʻohanaʻana o ka pahu pahu pahu kaʻa e hoʻohanaʻia no ka manawa lōʻihi a iʻole nā makahiki he nui, e hana hewaʻole ia mai ka ua, ka lewa, a iʻole ka lewa. ʻO kēia mau pili i hanaʻia e ka hana o ka wai, ka oxygen, nā mea kanu agitic a me nā mea'ē aʻe i loko o ka lewa. ʻO kaʻaihueʻana ma lalo o nā kūlana kūlohelohe ma waho o nā kūlana kaiāulu maʻamau ma keʻano he mamospheric maʻamau.