機器
arm
beech
business
crane
cut
deforestation
delivery
environment
forest
green
handling
heavy
industry
jaw
lift
lifting
load
loading
log
logging
lorry
lumber
machinery
manipulation
maple
mechanism
nature
oak
operating
pile
pine
road
sawed
stack
stock
store
supply
timber
transport
transportation
treatment
tree
truck
vehicle
wood
wooden
work