abstract
background
bark
brown
bunch
circle
construction
cracked
cross
cutting
damage
deforestation
destruction
disaster
environment
environmental
fallen
firewood
forest
frame
fuel
fuelwood
generation
heap
horizontal
industrial
industry
log
lumber
material
natural
nature
outdoors
power
raw
recycling
resource
saw
sawing
section
shape
stack
staple
textured
timber
tree
trunk
wood
woodpile
yellow