advice alert announcement appropriate-behavior appropriate-behaviour be-careful beware black care caution communicating communication concern danger informing Look looking lookout no-assistance no-lifeguard risk risks risky safety sign signage swim swimming warning warning-sign water white alcohol banned careful conditions consumption dangerous directions listen no-alcohol no-swimming not-allowed not-permitted prohibited prohibition red signs avoid crocodiles crocs information permission-denied protect protection rules unsafe blue dangers denied no-diving shallow swimmers wet appropriate behavior appropriate behaviour chinese english no diving not allowed not permitted permission denied rain rain-drops assistance buoyancy circle circular flotation-device kisby-ring lettering life-preserver life-saving-buoy lifebelt lifebuoy lifering lifesaver message perry-buoy personal-protective-equipment pool rescue-aid rescue-device ring-buoy safety-device swimming-pool Australia cars direction four lanes intersection junction lamp-posts left-hand driving main road no turning over-sized road road rules stop Stop light street street junction street scene suburban suburbs swimming pool towed traffic traffic flow traffic lanes traffic lights trailer vehicles wide wide road beach guard lifeguard safe sea ban round arabic forbidden four Israel israeli languages russian allowed bath bridge dive diving not ocean pier signpost warn