英文關鍵字
branch
chain
chainsaw
clean
clear
cut
cutting
down
eco
ecology
equipment
felling
firewood
forestry
garden
gardener
gas
gasoline
grapes
industry
log
lumber
lumberjack
male
man
manual
motion
occupation
oil
outdoors
park
person
pine
protective
remove
safety
saw
sawdust
sawing
stump
timber
tool
tree
trees
vine
wood
work
worker