木材ペレット
alternative energy
backgrounds
beech
bio fuel
biofuel
biomass
biomasse
briquettes
brown
bundle
close up
closeup
cylinder
directly above
energy
environment
female
fire
flame
fossil fuel
fuel and power
group of objects
hand
handful
heap
horizontal
large group of objects
log
material
nature
oak
organic
pellet
pellet gun
pellets
pine
renewable energy
scoop
selective focus
smoke
timber
trunk
wood
wood chip
wood pellets
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