機器
bark
blade
branch
chain
chainsaw
construction
cut
danger
electric
engine
equipment
firewood
forest
gasoline
hand
industrial
industry
job
log
logging
lumber
lumberjack
male
man
manual
nature
object
occupation
outdoors
power
professional
protection
safety
saw
sawdust
sawing
sharp
technology
timber
tool
tree
trunk
wood
woodcutter
work
worker