He mea noa te tangi o te mīhini tohu reihi PCB i te wā e mahi ana, ā, ko te nuinga o te wā ka puta taua tangi mai i te hau whakamatao, i ētahi atu wāhanga rānei. Heoi, ki te nui rawa te tangi, me tirotiro e ngā kaiwhakamahi mēnā kua tika te tāutanga o te mīhini tohu reihi, mēnā rānei he hapa kei ngā wāhanga.
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.
