英文關鍵字
agriculture
arm
background
backgrounds
bark
barking
beam
beech
board
brown
bucket
burning
capture
cargo
close
color
construction
crane
crude
cut
cutting
deal
deforestation
discharging
dumping
fir
firewood
forest
forestry
heap
horizontal
hydraulic
image
industry
instrument
line
loading
log
lumber
machine
nature
outdoors
products
rough
timber
transportation
tree
truck
unloading
wood
yellow