alarm
black
board
button
danger
disaster
editable
emergency
equipment
extinguish
extinguisher
fire
firefighter
firefighting
flame
flammable
foam
hazard
help
hose
icon
industrial
isolated
line
lot
perfect
petrol
pictogram
prevention
protection
risk
safe
safeguard
safety
sign
simple
spray
sticker
stroke
suppression
tag
water
web
white