燃やす
anthracite
background
black
briquette
burnt
carbon
charcoal
close up
closeup
coal
combusted
cut
damage
danger
dark
destruction
dirty
disaster
ecology
energy
environment
fire
firewood
fuel
grimy
industry
iron
lump
material
metal
mineral
natural
nature
nugget
object
outdoor
piece
pile
power
resource
selective focus
shale
soot
table
tree
warmly
warmth
wood