Ngā Kaiwhakaara Waro Coke Petroleum Graphite mō te Ahumahi Hanga Rino

Whakaahuatanga Poto:

E whakamahia whānuitia ana te kōka hinu graphite i roto i ngā tukanga whakarewa motuhake hei whakapūmau i te warowaihā, inā koa i roto i te hanga i ngā hua rino maka kōngohengohe me ngā hua rino maka hina kounga teitei me te ihirangi whanariki e tino whakahaerehia ana, me ētahi atu mahi anō hoki.