O a matou oloa autu e aofia ai le photochromic pigment, thermochromic pigment, UV fluorescent pigment, penina pigmenti, susulu i le pogisa pigmenti, opitika fa'alavelave fa'afeso'ota'i pigmenti, latou te fa'aaogaina i le ufiufi, vaitusi, palasitika, vali, ma alamanuia teuteu.Matou te tuʻuina atu foʻi ma faʻavasegaina nei vali ma pi ...
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