木材ペレット
alternative energy
backgrounds
beech
biofuel
biomass
biomasse
black
briqettes
brown
bundle
closeup
cylinder
energy
environment
female hand
fire
flame
flames
fossil fuel
fuel and power
group of objects
hand
handful
heap
hold
horizontal
large group of objects
log
material
nature
oak
organic
pellet
pellet gun
pellets
pine
selective focus
smoke
trunk
woman
wood
wood chip
wood pellets