appropriate behavior appropriate behaviour direction environment health health risk no spitting not allowed not permitted penalties permission denied pollution prohibited prohibition sign spit spitting unhealthy warning acceptable additional allocated allocation appropriate-behavior appropriate-behaviour approved arrow carpark communication directing directional extra green indication indicator parking public signs symbol symbols white advice announcement barefoot communicating declaration detail information informative informing language lettering message no-shoes notice notification removal remove shoeless shoes socks words african alert animal animals be careful beware crossing danger dog lookout mammal observant observe painted dog watch watch out wild wild dog wildlife zoo american oak argentina camino césped grass La Plata lane oak park parque road señal speed traffic tree tránsito velocidad árbol ban banned cease smoking cigar cigarette disease forbidden kills lungs nicotine no smoking prohibit quit quit smoking risk roadsign smoke smokers smoking stop tobacco confusion construction fourty limit lot many mass narrow paid pay payment roadsigns steep toll too many turn wide works banner beach blue club flag golf golf flag golf sport guard lifeguard pin red red flag signal sky sport sports summer top wind advertising change-of-ownership color colored colors colour coloured colours for-sale gray grey opportune opportunity potential promoting promotion promotional purchasable sale suggestive assistance broken car cars cutout isolated machine mechanic no no parking parking lot tow towed vehicle yellow