英文關鍵字
background
bark
beech
birch
brown
chopped
circle
cut
energy
fire
firewood
forest
fuel
hardwood
industry
log
logs
lumber
maple
material
mill
natural
nature
oak
old
outdoors
pattern
pile
pine
raw
resource
softwood
split
stack
stacked
stock
sunny
texture
timber
tree
wood
wooden
woodpile