Loaʻa iā mākou kahi hui o nā loea loea e pili ana i ka hana o keʻano o nā piston e pili ana i ka hanaʻana o nā cylinder i ka hana kūpono o kaʻoihana. Mai nā hale hana e komo ana i ka hale hana i nā huahana e waiho ana i nā hanaʻoihana a me nā mea hoʻonaninani o kēlā me kēia manawa a pale i nā huahana maikaʻiʻole e holo ai i ke kaʻina hana hou. Ua hoʻokō kaʻoihana i kahi'ōnaehana hoʻololiʻekolu:ʻO ka nānāʻana iāʻoe iho, ke nānāʻana a me ka nānāʻana o nā hale paʻahao a me ka mālamaʻana i kēlā me kēia kīwaha.