Ngā wāhanga e manawapa ana mō ngā mīhini ahuwhenua i hangaia ki Haina, ngā parau me ngā koko ahuwhenua kounga teitei 65mn me te 30MnB5, ngā koko oneone, ngā pūwāhi hononga oneone taurite puna.

He mea hanga ngā hua katoa ki te maitai boron kounga teitei, whai muri i te hanga me te tukatuka wera, kia tino pakari ai te hua, kia ātete hoki ki te kakahu. Ka kaweakehia ngā hua ki Rūhia, ki Lithuania, ki Pāniora me ētahi atu whenua, ā, whai muri i ngā whakamātautau mākete maha a ngā kiritaki, he tino pai te mahi.