ʻO ka pepa ʻauʻau e hoʻohana ana i ka 100% pepa pulupulu lāʻau maoli, me ka paʻakikī a me ka palupalu. Hiki ke hoʻokuʻu ʻia kēia huahana, maʻalahi e hoʻoheheʻe i ka wai, ʻaʻole hoʻopaʻa i ka lua, a me nā mea ʻē aʻe.
Ua hoʻokumuʻiaʻo Cheng De Paper ma 1993. Me nā makahiki he nui o ka hanaʻana a me kaʻikeʻana i waho, hiki ke hoʻokō i nā koi pepa toilet o nā'āina he nui. Hiki ke hana ʻia nā ʻōwili lua nunui 200-500 mika ka lōʻihi, 9-10cm ka laulā, a me 1-4 papa. Inā pono ʻoe e hoʻopilikino i ka nui, e ʻoluʻolu e kelepona mai iā mākou e hāʻawi i nā ʻāpana kikoʻī nui
He mea hana pepa kaiapuni mākou, me kahi hale hana hana 1000 cubic mika a me ka lumi noiʻi a me ka hoʻomohala ʻana. Loaʻa iā mākou ka nui o nā laina hana i ka manawa like, ka maikaʻi a me ka hōʻoia pālua. Ua hōʻea nā huahana i nā kūlana index o nā ʻāina he nui.