Ua hoʻonuiʻia ka kaulana o kaʻaoʻao o kaʻaoʻao mai kona kūkuluʻana i nā makahiki he 50 mau makahiki i hala. ʻOiaiʻo ia ka maʻamau maʻamau i hoʻohanaʻia i loko o nā countert countertops I kaʻoiaʻiʻo,ʻo kaʻoihana i kēia manawa o nā mea hana nui loa o nā huahana waiwai ma ka honua, me nā huahana 400 mau huahana'ē aʻe. Eia kekahi mau kumu no keʻanoʻoi aku kaʻoi aku ka maikaʻi o ka paleʻana no kāu papahana hou aʻe. Eia kekahi mau pōmaikaʻi o nā papa pale o nā papa hana no kāu papahana e hiki mai ana:
Heʻanoʻoluʻolu keʻano. He meaʻoleʻole, ka mea kanu lāʻau, a me nā mea hanaʻole a me ka carcinogenic. Eia nō naʻe,ʻaʻole e hōʻole i nā papa hana i nā papa hana, kahi e hōʻino ai lākou i nā kumuwaiwai wai o ka wai.