ʻO ka pale pale kahi ʻōnaehana palekana i ke kūkulu ʻana i nā hale kiʻekiʻe. Aia ka ʻōnaehana i nā alahao a me nā ʻōnaehana hoʻokiʻekiʻe hydraulic a hiki ke piʻi iā ia iho me ka ʻole o ka crane.