abstract
age
annual
beige
carpenter
center
circular
concentric
crack
cross section
curve
eco
fiber
fracture
grow
growth
hard
hardwood
history
industry
layer
life
lumber
material
oak
panel
part
plank
process
resource
ring
ripple
rough
round
rustic
saw
section
separation
shape
spiral
split
striped
structure
surface
template
textured
timber
trunk
weathered
year