硫黄
燃やす
abstract
background
black
box
bright
burning
burnt
closeup
concept
danger
dark
detail
equipment
fire
flame
flammable
group
head
heat
hot
idea
ignite
igniting
ignition
isolated
light
macro
match
matchbox
matches
matchstick
object
power
red
safety
single
small
smoke
stick
sulfur
symbol
vertical
white
wood
wooden
yellow