Sehlahisoa sena se na le khatiso e ntle, e sa tsejoeng, e sa tsejoeng ka mebala e khanyang le litlamorao tse ntle, tse etsang hore matseno a hlaheletse. It is a type of paper that, when exposed to sunlight, reflects colored light and converts ultraviolet light into visible light, which is then reflected off. Ka lebaka leo, e na le 'mala o khanyang ho feta lithupa tse tloaelehileng.
