He maamaa, he tika hoki te rerenga mahi o te miihini UV DTF: ka utaina e te kaiwhakamahi te konae ki runga i te kaapiri, ka kowhiri i te tauira me nga tawhā e hiahiatia ana, ka rehuhia e te kaituhi te kāpia, te mangumangu ma, te waituhi me etahi atu paparanga waituhi UV ma te paparanga i runga i te pepa tuku PP motuhake, he mea rongoa a UV i muri i te otinga; ka hipoki i te kiriata whakawhiti ki te mata o te tauira ka pehia kia kotahi ki te whakawhiti i te tauira ki te mata o te mea; i te mutunga, haea te kiriata whakawhiti me te waiho i te tauira i runga i te mata o te mea hei whakaoti i te tukanga whakapaipai.