abstract
background
bark
brown
chop
circle
construction
cut
detail
dry
ecology
energy
environment
fire
firewood
forest
fuel
heap
heat
industry
log
lumber
material
nature
old
outdoor
pattern
pile
pine
plant
raw
resource
ring
rough
round
rural
rustic
sawmill
split
stack
stock
storage
stump
surface
texture
timber
tree
trunk
wood
woodpile