英文關鍵字
timber
tree
industry
wood
forest
lumber
nature
trunk
work
worker
cut
firewood
industrial
log
logging
material
saw
wooden
man
occupation
power
chainsaw
equipment
background
brown
energy
quality
texture
forester
forestry
hand
deforestation
lumberjack
sawdust
tool
construction
fuel
natural
outdoor
pattern
pile
stack
checking
control
ecology
engineering
environment
inspection
dark
noise