annoyance annoying appropriate behavior appropriate behaviour direction no touting not allowed not permitted penalties permission denied prohibited prohibition sign touting touts warning advice appropriate-behavior appropriate-behaviour be-careful blue care careful caution communicating communication conditions directions informing Look looking lookout safety signs white alert black concern danger dangerous emergencies emergency protect protection warning sign yellow dangers law legalities rules warning-sign no entry red rust rusty unwanted weathered allocated allocation carpark disability disabled disabled-parking limited limited-parking parking restricted special-parking symbol symbols acceptable advising approved directing directional indication indicator public word arrow be careful handicap pictogram reserved wheelchair environment health health risk no spitting pollution spit spitting unhealthy