英文關鍵字
bark
clearing
crane
crisis
cut
cutting
deforestation
destruction
development
ecology
economy
environment
environmental
equipment
firewood
forest
forestry
forwarder
harvester
industrial
industry
job
log
logging
logs
lumber
lumberjack
machine
nature
pile
pine
product
rainforest
spruce
stack
technology
timber
transport
transportation
tree
trees
truck
trunk
vehicle
wood
woodland
work