燃やす
activated
adsorber
ash
background
bbq
black
broken
burning
burnt
carbon
catalyst
charco
charcoal
clean
coal
combustion
dark
energy
environment
extract
extraction
flaming
fossil
fuel
grill
heap
heat
hot
industry
isolated
material
mine
miner
mineral
mining
pieces
porous
power
resources
smoke
stone
texture
textured
top
view
warm
white
wood