aid assist assistance beach copyspace cry help letters relieve rescue sand succour text writing availability care casualties casualty-care cross danger directions emergency emergency-care fatality-reduction first-aid 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 red-cross safety safety-response short-term-treatment sign signs symbols treatment white-on-green-cross wording advice allocated allocation approved blue communicating communication conditions deaf deafness directing direction directional disability disabled handicapped hearing-impaired hearing-loop impaired indication indicator information informative informing loop symbol white word booth show shows trade crossingn pedestrians Signals street warnings airport words city DC fire hydrant sidewalk Washington water flying helicopter hover overhead rotors save silhouette broken car cars cutout isolated tow towing