first aid first-aid firstaid life guard lifeguard oversee rescue salva vida security swim swimming accident aid ambulance attention auto biology bone bones car cross cruel dead death die drive drugs end First funeral help hospital human machine paramedic red cross signal vehicle air helicopter hubschrauber grooming household les petites pinces medical objects pluck tweezers bombero fire fire department fire man fire truck fireman firetruck first response hazardous hero Life Saver pyromaniac red red truck rescuer water truck assistance availability care casualties casualty-care danger directions emergency emergency-care fatality-reduction first-aid-procedures harm-reduction helpful immediate-assistance initial-treatment injuries injury international-symbols life-preservation life-saving location medical-attention minimising-pain one-time-treatment prepared protection providing-emergency-help readiness ready recovery red-cross safety safety-response short-term-treatment sign signs symbols text treatment white-on-green-cross wording bandage boxer break broken bruised fracture hand hurt knuckle painful sore splint wrapped communicating communication display displayed ground helipad landing landing-pad landing-spot mark marked transport visual appearance assist conflict distinctive injured khaki markings military military-green risks war World-War-2 wwii