Ko o tatou hua matua ko te whakangao photochromic, te pigment thermochromic, te pigment UV fluorescent, te peara pigment, te whiti i roto i te pouri pouri, te whakaraeraetanga whatu taurangi, he mea rongonui ki te paninga, te mangumangu, te kirihou, te peita, me te ahumahi whakapaipai.Ka tukuna ano e matou enei tae me nga pi...
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