機器
action
adult
bark
blade
branch
business
chain
chainsaw
cutting
danger
dust
electric
equipment
exposure
firewood
forest
hand
human
industry
log
lumberjack
male
manual
motion
nature
occupation
orange
outdoors
person
pine
protective
rough
safety
saw
sawdust
sawing
season
section
sharp
strength
sunlight
technology
timber
tool
tree
trunk
wood
work
worker