機器
action
axe
blade
chain
chain saw
closeup
cut
cutting
danger
dust
electric
equipment
feller
felling
firewood
forest
hand
human
industrial
industry
job
log
logger
logging
lumberjack
man
men at work
outdoors
pile
pine
power
professional
protection
safety
saw
sawdust
sawing
timber
timbering
tool
tree
wood
woodman
work