ʻOiai heʻuʻuku ka mea hili uila i ka nui a me ka māmā i ke kaupaona, hiki iā ia ke maʻalahi, hoʻomau a palekana i ka huki ʻana i nā paipu o nā mea like ʻole a me nā diamita e like me ka condenser, ka mea hoʻomaʻemaʻe wai a me ka mea ʻaila me ka haʻalulu ʻole, ka hopena a me ka walaʻau.