英文關鍵字
action
ax
blade
branch
chain
chainsaw
communication
cut
cutting
danger
day
deforestation
dust
engine
equipment
firewood
flying
forest
hand
handy
helmet
industrial
industry
job
laptop
log
logging
logs
lumber
machine
man
manual
mask
material
nature
outdoors
outside
pine
power
protective
sharp
stack
texture
timber
tool
tree
wood
wooden
work
worker