Ọ bụ agba abụọ mejupụtara, Group A bụ nke ebubata nnukwu ihu igwe hydroxyl nwere acrylic resin, pigmenti na-eguzogide ihu igwe, onye inyeaka, ihe mgbaze, wdg, na akwa mkpuchi ihu igwe nke mejupụtara onye na-ahụ maka ọgwụgwọ pụrụ iche nke aliphatic dị ka otu B.