木材ペレット
alternative energy
backgrounds
beech
biofuel
biomass
biomasse
black
briqettes
brown
bundle
close up
cylinder
energy
environment
female hand
flame
fossil fuel
group of objects
hand
handful
heap
hold
horizontal
large group of objects
match
material
nature
oac
organic
pellet
pellet gun
pellets
pine
selective focus
sunflower
woman
wood
wood chip
wood pellets