bombero fire fire department fire man fire truck fireman firetruck first aid first response hazardous hero Life Saver pyromaniac red red truck rescue rescuer water truck aid assistance availability care casualties casualty-care cross danger directions emergency emergency-care fatality-reduction first-aid first-aid-procedures harm-reduction help 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