active air-cylinder apparartus assistance breathing-apparartus breathing-equipment building checking danger emergency emergency-services equipment fire fire-and-rescue fire-brigade fire-fighting firefighters firemen helmets help hoses hot house-fire loss oxygen prepared preparing protecting protection protective protective-clothing pumps readiness ready red road spectators street-scene suburban tragedy trucks uniforms vehicles arrow background black blue comic comical concept conceptual cosmic cosmos escape exit figure free funny galactic galaxy gate gray grey grunge grungy humor humour icon image orange photo photograph picture portal resource round sign somadjinn space star stars stick stock symbol texture textured urgent white yellow access authorities authority availability available badges barriers bilingual cars communicating communication control deployment distinctive emergency-vehicle flashing-lights law law-&-order lights marked motor-vehicle on-duty on-the-job order patrol police police-vehicle power presence regulations responsible security symbols traffic traffic-control transport travel van vehicle abuse aid antibiotics aseptic cannula canula care clinic crisis cure curing disease drop drugs first aid healing health care healthcare heath hospital illness injection medic medicament medicare medicine needle pain recovery recuperation regeneration rescue research scale science serum sharp shot sick sterile syringe therapy treatment vaccination vaccine vitamine. iv accustic emergancy signal horn old horn rescue car signal communicate emergency exit fire escape hazard safety warning alert appropriate behavior appropriate behaviour concern dangerous directions emergencies emergency action jellyfish jellyfish stings protect signs stingers stings warning sign butterfly chrysalis dry emerge emerging expand fresh hang idea insect invertebrate Lepidoptera natural nature pupa rhopalocera row series suspend tropical advice double-headed fire-control fire-hydrant fires hydrant pressure red-and-white water water-pressure appearance display displayed fire-engines fire-trucks heritage historic history ladders motor-vehicles on-show vintage