燃やす
above
advanced
alternative
alternative fuel
angle
background
bale
bar
brick
briquette
brown
cake
cut out
front
fuel
fuels
group
heat
industry
isolate
isolated
light
material
nonconventional
object
peat
peat briquettes
production
raw
raw material
rectangular
several
shadow
shape
substances
three
vegetable
view
white