ʻO ka pūʻolo pila he pūʻulu o kekahi helu o (ʻoi aku ka maikaʻi) o nā ʻokoʻa like ʻole a i ʻole nā pūnaewele pākahi pākahi. Hiki ke hoʻonohonoho ʻia ma kahi moʻo, ʻano like, a i ʻole ka hui ʻana o nā mea ʻelua e hāʻawi i ka volta i makemake ʻia, ka mana, a i ʻole ka mana mana. Hoʻohana pinepine ʻia ka huaʻōlelo puʻupuʻu pākahi no nā hāmeʻa cordless, nā mea pāʻani leʻaleʻa hoʻokele radio, a me nā kaʻa uila.