I te wā e mahi ana te mīhini tapahi rēseri whakarewa, ka taka ētahi puehu ki roto i te wai e rere ana. I te roanga o te wā, ka kohia te puehu ka rere anō ki te wāhanga whakamatao ahumahi, ki te mīhini tapahi rēseri whakarewa rānei, ka iti ake te rere o te wai, ka ārai rānei. Hei karo i te aukati, ko te huarahi pai ko te whakakapi i te wai e rere ana o te wāhanga whakamatao ahumahi i ia 1-3 marama, i runga anō i te āhua mahi tuturu o te mīhini tapahi rēseri whakarewa, me te whakamahi i te wai parakore, i te wai ma rānei hei wai e rere ana.
Mō te hanga, kua whakangaohia e S&A Teyu te neke atu i te kotahi miriona yuan mō ngā taputapu hanga, hei whakarite i te kounga o te raupapa o ngā tukanga mai i ngā wāhanga matua (whakamātao) o te pouaka whakamatao ahumahi ki te whakarewa i te pepa whakarewa; mō te mahi kawe taonga, kua whakatūria e S&A Teyu ngā whare putunga kawe taonga i roto i ngā tāone nui o Haina, ā, kua tino whakaitihia te kino nā te kawe taonga tawhiti, me te whakapai ake i te whai huatanga o te kawe waka; mō te ratonga muri-hoko, e rua tau te wā whakamana.
