background
bark
biomass
brown
chop
color
concentric
construction
cut
deforestation
ecology
energy
finland
firewood
forest
forestry
fuel
group
heap
horizon
horizontal
house
industry
log
logging
logs
lumber
material
natural
nature
pattern
pile
pine
resource
ring
stack
stacked
stock
summer
sun
sustainable
texture
timber
tree
trunk
wall
wood
wooden
woodpile
woodstack