atom atomic beware Bin color colour garbage icon man nuclear pictogram pollution protest radiation sign stop warning woman access-denied advice advising alert apology appropriate-behavior appropriate-behaviour avoid behavior behaviour black care caution communicate communication concern construction construction-site danger dangerous entry-denied entry-prohibited inconvenience inconvenient information informing no-access no-entry not-allowed not-permitted permission-denied prohibited prohibition restricted restriction restrictions risk risks risky safety warning-sign yellow asbestos attention building yard construction area directions do not enter finger gesture glove hand illustration industrial logo signs stay away stay out thumb ban banned birds catch chase deer do not hunt hunt hunter hunting illegal no hunting roadsign roadsigns roe scare scare away scaring spooky bend demolish field historic left meadow nature old paint painted red road rotten rusty spray street turn unclear circle communicating denied directing direction directional directive no parking not allowed not permitted parking permission denied reflective road sign street sign traffic traffic flow verge white alarm background copy copyspace death electric electrical electricity hazard notice space textures wall wood current deface England english exclamation mark graffiti Great Britain humor humour London river strong sultana thames