英文關鍵字
boom
bunch
buncher
business
cab
chile
chopping
claw
commodity
construction
crane
cut
deforestation
energy
environment
equipment
falling
feller
firewood
forest
forester
forestry
forwarder
fuel
gatherer
gathering
grab
harvest
harvester
harvesting
hauling
heavy
hydraulics
industrial
industry
job
landscape
leaf
lift
load
loader
log
logger
logging
lorry
lumber
lumberjack
lumberman
machine