機器
action
bark
blade
branch
chain
chainsaw
cuts
cutting
danger
equipment
firewood
forest
hand
industrialists
industry
job
log
logging
lumber
lumberjack
male
man
manual
men
nature
occupation
outdoors
pile
pine
power
profession
professional
safety
saw
sawdust
sawing
slicing
stacks
technology
timber
tool
tree
trunk
wood
woodcutter
work
worker