英文關鍵字
ash
background
balance
balancing
bark
bole
branch
branches
chop
chopping
climb
climbing
cut
cutting
dangerous
energy
episode
fir
firewood
follage
forest
fuel
garden
gardening
height
ladder
log
logs
lopping
lumberjack
maintanence
maintenance
marked
near
pollard
pollarding
prune
pruning
removal
remove
risky
saw
sawing
stump
stumps
surgeon
surgery
technique
texture
tree
trees
woodpile