1,Ka whakamahia e tēnei hua he tikanga paparanga-toru-ahu me te tikanga poutū hei whakaatu i ngā whenua rerekē e ai ki te karangatanga whenua kōtaha.
2,Tīpakohia te ihirangi taketake: ngā tihi maunga, ngā hiwi, ngā awaawa, ngā nohoanga pari, ngā pari pari, ngā awa, ngā pā o te whenua, ngā pari mārie, me ngā pari pari.
3,Ka taea te wetewete i te wāhanga matua o te tauira i roto i ngā paparanga i te rārangi āhua, ā, ka tuhia te mata me te wāhanga paparanga ki ngā rārangi isotropic e rite ana.
4,He mea whakamahi whānuitia mō te mātauranga matawhenua o te whenua papaku, mō te āhua whenua rānei, hei āwhina i a koe ki te ako tika me te whai hua, kia pai ake ai te mārama me te matatau. Ka penapena wā ako me te whakapai ake i te whai huatanga o te ako.
5,He mea hanga tēnei tauira mai i te rauemi PVC kounga teitei, he māmā, he ārai-waikura, ā, he pakari.