alert car care concern prevent prevention protect protection red risk risk area risky safeguard security sign theft risk vehicle warning warning sign white acceptable advice advising allocated allocation approved authorised authorized automobiles behave black carpark cars communicate communication information informing legal legality limited limited-parking management motor-cars no-liability parking risks safety theft-risk vehicles vistors caution close communicating door escape exit fire fire-door keep-clear keep-closed no-obstruction wording words appropriate behavior appropriate behaviour danger dangers deep deep water depth jellyfish signs stingers submerged objects swimmers swimming water yellow denied not allowed not permitted permission denied prohibited prohibition access-denied appropriate-behavior appropriate-behaviour asbestos avoid damage dangerous demolition destruction directions fence fencing hazard hazardous health-risks keep-out mesh message no-access no-entry not-allowed not-permitted permission-denied requirements restrictions unwanted warning-sign announcement be-careful beware careful cautious conditions Look looking lookout observant road-conditions road-risks rural slippage slippery slow slow-down speed speed-reduction tractor tractors traffic watch watch-out blue no-diving shallow wet directive drivers observe reverse turn-back chinese english no diving rain rain-drops