O a matou oloa autu e aofia ai pigment photochromic, thermochromic pigment, UV fluorescent pigment, penina pigment, susulu i le pogisa pigment, vaʻavaʻai faʻalavelave fetuutuunai pigment, e lauiloa faʻaaogaina i ufiufi, vaitusi, palasitika, vali, ma teuteu foliga. Matou foi sapalaiina ma faʻapitoa nei vali ma pi ...
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