英文關鍵字
blade
board
carpenter
chain
chainsaw
construction
cut
dust
equipment
firewood
hand
industrial
industry
job
log
lumber
lumberjack
lumberman
machine
machinery
manual
occupation
outdoors
pine
plank
power
process
professional
protective
safety
saw
sawdust
sawing
sawmill
sharp
spin
timber
tool
tools
tree
unrecognizable
wood
wooden
work
worker
workman