matataki holo kahurangi
Nā ngā kēhi holo rākau whero i whakapakari te hangarau haumaru matua, e whakawhiti ana i ngā āhuatanga tuatahi mō te tirohanga, nā reira ko ngā whiuwhiuinga tūmatawhānui me te noho mea. Nā ngā āhuatanga haumaru matua nei e whakauru ana ngā waehanga o te tiaki, hei tae atu ki te tuhi iti, ngā rarangi guilloche, me ngā hangarau holo pūtea e whakatupu ana i ngā uara mōhiohio nui i te whakaaturanga i runga i ngā pūtaiao katoa. E whakamahi ana ngā kēhi i ngā hanganga hītaka tino wātea e tiakina ana ngā pūtake haumaru, ka kitea te kawe ake i te korenga. Ki ia holo, he waehanga taketake, e taea ana te whakaae i te whakahaere motuhake me te whakamahere motuhake mō te haumaru takeke. Ko te taumanu rākau whero e whai ana i te tūtohu rangatira, ā, e hangaia ana i ngā āhuatanga whakaputu mai e mahi ana i te wehe i ngā tohu tūponotanga. He nui ngā tūranga mō ēnei kēhi i roto i ngā whenua katoa, mai i te tirohanga i ngā mea taonga ki te haumaru i ngā kōwiri ture. Ko te hanga i runga i te hanganga optika tino tika me te hanga i ngā momo whanunga matua, e hoki ana i te wāhanga i runga i ngā āhuatanga taiao katoa. Ka taea te whakatika i ēnei kēhi holo rākau whero i ngā tohu pāmu, ngā kōdinga haumaru, me ngā āhuatanga hoahoa motuhake, ahakoa kei raro i ōna āhuatanga haumaru matua.