danger swim flew life belt life-saver life-saving lifebelt rescue ring watch safe saftey salvation saving coast sea secure security water earth environment garbage help life mother earth planet pollution recycle save saves saving savior bright bulb energy saving fluorescent glow green illuminate illuminated illumination lamp light long life low power purple white blades chain circular controlled directional fan farm farming equipment old outback pump sepia silhouette tail blade water pump wind powered windmill assist assistance buoyancy circle flotation device kisby ring life preserver life saving buoy lifebuoy lifering lifesaver perry buoy red and white rescue aid rescue device ring buoy safety safety device advice alert announcement be-careful beware black care caution communicating communication danger flotation-device information informing kisby-ring lettering life-preserver life-saving-buoy message no-lifeguard perry-buoy personal-protective-equipment pool red rescue-aid rescue-device ring-buoy risk risks risky safety-device sign signage swim swimming swimming-pool warning warning-sign aid availability casualties casualty-care cross directions emergency emergency-care fatality-reduction first-aid first-aid-procedures harm-reduction helpful immediate-assistance initial-treatment injuries injury international-symbols life-preservation location medical-attention minimising-pain one-time-treatment prepared protection providing-emergency-help readiness ready recovery red-cross safety-response short-term-treatment signs symbols text treatment white-on-green-cross wording