access-denied access-limited advice alert appropriate-behavior appropriate-behaviour behave behavior behaviour black communicate communication denied directions entry-denied entry-prohibited fine fines information informing keep-off limited-access no-access no-entry no-go not-allowed not-permitted penalty permission-denied prohibited prohibition prosecution restricted restriction restrictions safety secure security sign trespass trespassing unauthorised unauthorized warning white announcement avoid be-careful beware care caution communicating concern contaminated contamination danger dangerous deep health polluted pollution protect protection red risk risks risky rules signs toxic toxicity unhealthy warning-sign water water-pollution water-toxicity acceptable advising allocated allocation approved authorised authorized automobiles carpark cars directive limited limited-parking motor-cars parking special-parking vehicles authorised-entry-only authorized-entry-only blue boots clothing construction-site eye-protection feet footwear helmets injury peotective-equipment protective visibility workers workmen 1-hour-mechanical-timer 60-minute-visual-timer alarm anti-clockwise bell-tone-ring case classroom-teaching-tool clock-wise cooking-timer countdown-timer dial divisions fitness-exercise-timer games-timer internal-mechanism internal-spring kitchen-timer mechanical-countdown-clock mechanical-timer minutes multi-use-timer numbers photography-darkroom-timer plastic pointer ticking-timer time-management time-up-bell careful crossing double-lines island lookout observant pedestrians reflective refuge road road-sign share sharing small-traffic-island traffic traffic-flow traffic-island walk walkers walking watch watch-out yellow ban banned bylaws law legal motorbikes-prohibited no-wheels pedestrian-care pedestrian-safety prohibitions symbol bicycles-prohibited guests insiders message no-outsiders outsiders private private-property signage unacceptable vistors wording words cautious conditions large-vehicles look-out road-conditions road-train rural-area semi-trailers slow-down speed speed-reduction text trailers transport transportation trucking trucks
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