He tino whai hua, he penapena pūngao hoki, me ngā painga nui ki ngā utu whakahaere. Mā te hiko whatunga tika e ārahi, ka neke atu i te 90% te pai o te hurihanga pūngao, ā, kāore he ngaronga wahie i te wā e noho puku ana.
I raro i ngā āhuatanga pumau o te tuku hiko, he iti ake i te 40% ngā utu whakahaere pūngao mō te wā roa i ngā tauira mīhini tīhiera, ā, he tino pai mō te whakamahinga i ngā papa hangahanga pumau mō te wā waenga ki te wā roa.

He iti rawa te haruru, he hoahoa ngāwari ki te whakamahi.He 20-30 desibel te iti iho o te pehanga oro o te mōtini hiko i tō te mōtini tīhiera.
I te taha o te hoahoa o te whare ārai-oro, ka tutuki i a ia ngā whakaritenga hanga pō o ngā wāhi tairongo pēnei i ngā wāhi noho o te tāone nui, ngā hōhipera, me ngā kura, ā, ka pai ake te taiao mahi.

