英文關鍵字
background
brown
bulldozer
cab
cut
cutting
deforestation
driver
environment
felling
firewood
forest
forestry
hardwood
heap
industry
legal
log
logging
logs
long
machinery
modern
outdoors
outside
pile
pine
ride
sawmill
stack
stacked
steer
stock
stockpile
storage
timber
traffic
truck
trunk
wooden
woodpile
work
workflow