alert appropriate-behavior appropriate-behaviour black care communication concern danger dangerous denied directions inform information informing not-allowed not-permitted permission-denied prohibited prohibition prohibitions protect protection public-park red rules safety sign signs vehicle warning warning-sign white carpeting checking connected connections corridor doors entrance equipment exit guidelines hand-sanitizing healthcare healthcare-providers hospital hospital-ward instructions medical mobility notices nurses nursing nursing-station passageway post-operation pre-operation quiet room Rooms sanitation testing trolleys ward caution cautious green machinery machines apple apples backyard beautiful beauty can clean color colorful container day earth flowers fresh garden gardening grow growing healthy leaf life metal natural nature object orchard outdoor plant pretty spring summer texture tree wall water watering wild active activities children children’s-play-area children’s-playground community enjoying enjoyment fun grass grassed-area greenery kids leisure park parks play play-area playground playing recreation recreational sand sandpit shade shadows sunlight sunshine swings trees apocalyptic appearance bare bleak branches clouds cold contrast dark dark-clouds darkening darkness dismal doom gloom gloomy grim light pain sepia silhouettes skies spikes storm-clouds stormy thorn-branches thorn-bush thorns thorny unappealing wintery wintry advice aid airport allocated allocation approved assistance blue communicating conditions deaf deafness directing direction directional disability disabled handicapped hearing-impaired hearing-loop help helpful impaired indication indicator informative loop symbol symbols words analyse backdrop background bacteria blood blood analysis cells cleaning clusters concept contamination culture disease disinfect fungus germs graphic health health care illness immune immune system immunity infection medicine microbes microscopic sample science sickness slides swab tissue unclean virus amenities hot-tub hot-tub-spa hydrotherapeutic-massage hydrotherapy jacuzzi outside risk risky unhealthy-risk action activity boat enjoyable expensive fast luxury manoeuvrability motion motor-boat movement outdoors pastime people popular power power-sport river sailing skill speed sport trail transport transportation travel wake water-sports waterways attention beware careful child conduct control course drive guide happen highway industry law limit Look pedestrian pedestrians respect road school sidewalk slow street teen traffic walk way zone