advice alcohol alert announcement appropriate-behavior appropriate-behaviour banned be-careful beware black care careful caution communicating communication concern conditions consumption danger dangerous directions informing listen Look looking lookout no-alcohol no-swimming not-allowed not-permitted prohibited prohibition red risk risks safety sign signs warning warning-sign water white access-denied access-limited behave behavior behaviour communicate denied entry-denied entry-prohibited keep-off limited-access no-access no-entry permission-denied prosecution restricted restriction restrictions trespass trespassing unauthorised unauthorized boating boats directing direction helpful information informative risky rocks rocky shallow symbol symbols waterside words yellow clean clean-up cleanliness dog doggy-do droppings excrement excreta hygiene lettering mess message messy pets pickup poo prepared responsible rules sanitation signage text waste wording avoid damage demolition destruction hazard hazardous keep-out requirements unwanted blue crocodiles crocs protect protection swimming unsafe health no-diving undrinkable unhealthy brown damaged rough scratches scrathed advising allocated allocation arrow authorised authorized automobiles directive emergency emergency-vehicles limited vehicles