whiti i roto i nga kohatu huarahi pouri
He whakataunga hou ngā kōhatu rama i te pō mō te mārama a-waho, e hono ana i te aronga ki te āhua ataahua. Ko ēnei kōhatu rama he mea hanga motuhake ki ngā tioata photoluminescent e hura ana i te rama o te rā, i te rama hanga rānei i te rā, ka rama ai i muri i te pō ki te rama māmā, noa iho ki te 10-12 haora. Hei hanga i ngā kōhatu, ka whakamahia ngā matēria tikangia, pērā i ngā resin kaha, me ngā taonga taketake, nā reira e taea ana e rātou te tū ki ngā āhuatanga ā-waho, ā, e tika ana mō ngā whakamahinga maha a-waho. Kua hoahoa ia kōhatu kia taea te tū i ngā haerenga tūpoto, me ngā waka hoki, kia tino roa te ora, me te tino ū. Ko te hangarau kei te tuarā o ēnei kōhatu he tikanga phosphorescent matatau e taea ai e rātou te penapena i te rama, ka tukuna ki te wātea, ā, ka waihangatia he rama waimahana e kore e hiahiatia he hiko, he tiaki rānei. E wātea ana i roto i ētahi rahi, āhua, me ngā tae rama rerekē, ā, ka uru atu ngā kōhatu ki ngā ara kōhuru, ara, tari rānei, ki ngā whenua māra hoki. Ko ō rātou āhuatanga here ki te wai, me te tiaki ki te UV, kia mau tonu ai te rama i ngā āhuatanga rerekē o te rangi, nā reira he kōwhiringa mahi pai mō te mārama a-waho i ngā wā katoa o te tau.