Eia naʻe, ʻo nā uhi manhole ke kanu ʻana i ka mauʻu kila kila me nā uhi manhole poepoe a me ka huinahā like, e like me ka hapa nui o nā papahana ma ka mākeke no nā uhi manhole.
koi. ʻO ke kaʻina hana hana hoʻokahi wale nō e hōʻoiaʻiʻo i ka maikaʻi o ka uhi manhole, akā hiki nō hoʻi i ka uhi manhole ke loaʻa i kahi kiʻekiʻe. ʻOiai inā i hoʻopilikia ʻia e ka ikaika o waho a i ʻole ke kaumaha, ʻaʻole ia e pōʻino a ʻike ʻia. He kūpono ia no nā kāʻei ʻōmaʻomaʻo a me nā wahi ʻē aʻe kahi i pāpā ʻia ai ke komo ʻana o nā kaʻa kaʻa a i ʻole nā kaʻa kaʻa ʻole, a hiki ke piʻi i ka pae haʻahaʻa A15.