He whitiki hiki kanohi tenei, he maha nga painga: 1. Ko te whakapiri whakatika o runga he ngawari ki te haehae, he rite te kaha, he pai mo nga momo ahua kanohi.2. Tapahia te poka taringa kore i tohua, he pai, he kore e mamae te taringa, me te whakapakari i te pumau o te takai.3. Ko nga here hiki i nga taha e rua o nga paparinga ka whakakaha i te kaha toia whakarunga, he ngawari ki te whakatika me te pai ki te waahi kua whakaritea.4. Porowhita mahi taapiri, infrared tawhiti + katote kino, te kawe wera moroiti hei whakatairanga i te whakauru.He tino watea hoki ki te whakamahi: ko te mahi tuatahi ko te whakatuwhera i te kanohi ka uru ki te kauae, ko te mahi tuarua ko te whakaatu i nga taringa me te tuuVelcro i runga o te mahunga.Ko te taahiraa tuatoru ko te whakatika i te Velcro i nga taha e rua ki te piri tika.5. Ko tenei whitiki whakakake kanohi e whakamahi ana i te pepa whakamahana graphene, he pai mo te pāmahana tinana o te tangata.