Ngwaahịa a nwere ikike dị mma, agba na-enweghị atụ, na nsonaazụ mara mma, na-eme ka mmachi ahụ ama ama. 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. N'ihi ya, ọ nwere agba na-egbuke egbuke karịa mmacha akwụkwọ.
