accident
apparatus
arrow
carbon dioxide
chemical
container
danger
disaster
editable
emergency
equipment
extinguish
extinguisher
extinguishing
fire
fire extinguisher
firefighter
firefighting
flame
flame extinguisher
foam
gauge
handle
hose
illustration
indicator
isolated
layered
nozzle
object
outline
pattern
pressure
profile
protection
red
rescue
safety
secure
security
sign
silhouette
sketch
spray
symbol
tool
white