♦ E rima ngā wāhanga o tēnei mīhini, ko te wāhanga tuatahi hei tango puehu, ko te wāhanga tuarua, tuatoru me te tuawhā hei whakahoromata rama ultraviolet, ā, ko te wāhanga tuarima hei whakawhiti.
♦ E waru ngā putanga pupuhi o te wāhanga horoi, e toru kei ngā taha o runga, o raro, kotahi kei te taha maui, kotahi kei te taha maui, o te taha matau, ā, kua whakaritea matapōkeretia he pupuhi ngata kaha rawa atu.
♦ Ka whakamāramahia ia wāhanga o te wāhanga whakahoromata e ngā rama whakamate huakita ultraviolet karāhe kuata tekau mā rua, e whā ngā rama kei runga, kei raro hoki i ia wāhanga, me ngā rama e rua kei te taha maui, kei te taha matau. Ka taea te tango ngāwari i ngā pereti taupoki kowiri tira kei ngā taha o runga, o raro, o maui, me te taha matau kia māmā ai te tiaki.
♦ E rua ngā ārai e whakamahia ana e te pūnaha whakahoromata katoa i te tomokanga me te putanga, kia taea ai te wehe pai i ngā hihi ultraviolet i roto i te hongere whakahoromata.
♦ He mea hanga te tinana matua o te mīhini katoa ki te kowiri tira, ā, he mea hanga anō hoki te pou taraiwa ki te kowiri tira
