3-D advice black clear communicating communication conditional conditions eye-catching glassy indication information informative informing insiders limited-access liquidy no-public-access notification notifying plastic prohibition raised restriction security semi-transparent sign signs staff staff-only transparent warning words workers appearance arrow color coloration colored colour coloured expressing expression golden surface surfaced surfaces surfacing symbolic tactile texture textured textures advertising backdrop background blended bright center centre design detailed details distinctive gold image inform invitation lettering letters light lines medical medical-care medical-services opportune opportunity patients potential promotion promotional services style surgery variety various vibrancy vibrant contrast decorative designed for-sale glass metallic patterned patterns perspectives presentation promoting purchasable sale shaped shapes shiny suggestive thick thin demtal-care dental identification indentifying rounded alert appropriate-behavior appropriate-behaviour area attention banned cigarettes danger direction directive environment health health-risk location no-smoking not-allowed not-permitted permission-denied pollution prohibited symbol unhealthy wording a ABC alphabet b c d E f font free g grunge h handpainted I illustration initial initiale j K keyboard keys L letter m n o p painted q qwerty qwertz r S serif set symbols t U V w white x y Z blue cyan access availability colors colours convenience embossed embossing ladies-and-gents loo personal public public-convenience public-toilet rest-rooms sanitation script toilet toilets wc word angled angles italics red red-lettering wallpaper welcome