硫黄
燃やす
background
blank
blue
box
burnt
cardboard
carton
case
caution
chlorate
clean
closeup
danger
empty
equipment
fire
firebug
flame
flammable
forest
group
head
heat
household
ignite
ignition
illustration
isolated
match
matchbox
matchstick
object
open
pack
package
packaging
packet
safety
set
smoke
stick
sulfur
surface
white
wood
wooden