燃やす
anthracite
background
black
block
briquet
briquette
burning
carbon
charcoal
chunk
close
closeup
coal
coalmining
combusted
combustible
commodities
dark
dirty
dust
earth
energy
environment
exploitation
extraction
fossil
fuel
global
goods
heat
industry
isolated
material
mine
mineral
ore
piece
power
production
raw
resource
rock
stock
stone
structure
technology
warm
wealth
white