燃やす
explosion
alarm
alert
beware
bonfire
burnt
button
camp
campfire
caution
chemistry
computer
concept
danger
dangerous
fiery
fire
fireball
flame
flammable
forbidden
gas
hazard
heat
hot
icon
ignite
industrial
inferno
inflammable
internet
label
matter
melt
net
network
notice
online
risk
safe
safety
sign
symbol
temperature
warm
warmth
warning
web
website