燃やす
alarm
alert
automobile
axe
bus
cross
danger
department
emergency
engine
equipment
extinguisher
extinguishing
fire
firefighter
fireman
flame
flash
flat
gas
health
helmet
hose
icon
illustration
label
ladder
line
maltese
mask
menu
outfit
outline
radio
red
safety
security
set
sign
simple
stamp
symbol
thin
tool
truck
water