advice alert appropriate-behavior appropriate-behaviour authorisation authorised authorization avoid be-careful black care careful caution communicating communication concern danger dangerous flammable gas gaseous no-ignition outlet potential red risk risks risky safety sign signs stay-clear vapour vapours warned warning warning-sign white access-denied behave behavior behaviour chain chained chained-off communicate denied direction entry-denied entry-prohibited keep-out no-access no-entry not-allowed not-permitted permission-denied prohibited prohibition restricted restriction restrictions unauthorised unauthorized beach directions disapproval disapproved inform information informing penalties prohibitions protect protection public-beach rules appropriate behavior appropriate behaviour cutout emergencies emergency floor isolated pictogram slip slippery slippery floor slippery surface slipping warn warning sign water wet wet floor wet surface yellow camping fines no-camping public-areas beware conditions garden garden-beds lookout planter-beds watch-your-step access-limited keep-off animal-crossing animal-priority animals announcement cautious crossing distance mammal not=too-close observant observe otter otters security watch watch-out wildlife fight flight keep-to-path blue don’t limited-access no no-pedestrians pedestrian