Please follow http://www.lrc.fema.gov/starweb/lrcweb/servlet.starweb?path=lrcweb/STARLibraries14.web&search=((tis%3d(fire%20adj%20apparatus)%20or%20tis%3d(emergency%20adj%20vehicle[s])%20or%20tis%3d(ambulance[s])%20or%20tis%3d(rescue%20adj%20truck[s])%20or%20tis%3d(rescue%20adj%20vehicle[s])%20or%20subject%3d(ambulance[s])%20or%20sub%3d(emergency%20vehicles%20or%20ambulances)%20or%20subject%3d(fire%20adj%20apparatus))%20and%20itype%20not%3defo%20abstract%20and%20(tis%3d(life%20adj%20expectancy)%20or%20sub%3d(life%20expectancy)))%20or%20r%3d(3964;49494;81156;87919;99596;100005;108898;112491;185949;190272;191626).