He mea nui te taputapu whakamatau mātāmira kia mau ai ngā tūmau tohatoha hiko o te wā, kia tiakina ai te haumātaonga me te whakahaere tika i te hiko. Kua hoahoa ēnei taputapu mō ngā voltae iti me waenga, mō te tiaki i ngā kaimahi me ngā taputapu, ā, kua hangaia kia tino pakari ki ngā take pakuare. Ko tā mātou matapae ki te whai wāhi me te arataki e ngā paerewa o te ao e whakawhitinga ana i ō mātou hua hei tētahi o ngā pai rawa atu i te haerenga mahi mō ngā ratonga me ngā umanga o te ao.