英文關鍵字
action
adult
beech
blade
branch
business
chain
chainsaw
cut
danger
dust
equipment
felling
firewood
flying
forest
forestry
gas
hand
industry
log
logger
lumber
lumberjack
male
man
motion
natural
nature
occupation
outdoors
pine
power
protection
safety
saw
sawdust
sawing
sharp
timber
tool
tree
trimming
trunk
using
wood
woodcutter
work
worker