英文關鍵字
lumber
nature
saw
sawmill
timber
wood
work
equipment
forest
industry
lumberjack
sawing
tree
worker
firewood
forestry
manufacturing
material
cut
log
lumberman
man
professional
safety
sawdust
tool
trunk
woodcutter
woodwork
axeman
blade
chainsaw
deforestation
industrial
job
machine
power
forester
inventory
logging
occupation
outdoors
pines
product
resource
woodman
carpentry
factory
pine