barrier barrier tape blocking off border caution tape closed closed areal closing off cordon danger dangerous area delimitation do not pass no passing through prevention red and white sheltered area stop warning warning tape area cigarettes direction environment health health risk no smoking no smoking in this area sign not allowed pollution prohibition sign unhealthy advice alert appropriate-behavior appropriate-behaviour behavior behaviour blue bright care careful caution communicate communication dangerous local public-area reptiles restricted restriction restrictions safety seen sighting sightings snakes venomous white aim aimed cool cooling directional fountains interior lighting lights multiple protruding rest area ripples rippling row shooting shopping center shopping centre shopping mall spout spouting spouts squirting unguarded wall water wet balustrade church edge height high ledge paint paint roller painter painting risks risky roof roof area rooftop whitewash work working workman angles appearance building capping cleaning cover covered covering dangers ear protection exterior external high-pressure improvement maintenance pressure pressure-cleaning renovating renovation repairs restoration restoring roof-area roofing shapes skies sky spray sunlight sunshine textures tiles tiling tools tough advising assemble assembling Assembly communicating concern emergency evacuate evacuation gathering inform information informing meeting meeting-place message outdoors outside people place point red security staff workers health-risk no-smoking not-allowed not-permitted permission-denied prohibited backdrop black construction copy copyspace graphic hazard illustration.background industry road roadside roadwork roadworks rust site space wallpaper yellow asbestos attention beware building yard construction area directions do not enter finger gesture glove hand icon illustration industrial logo pictogram signs stay away stay out thumb