英文關鍵字
lumberjack
industry
logging
outdoor
work
construction
ecology
engineer
forest
log
logger
lumber
manager
occupation
safety
telephone
wood
worker
agricultural
caucasian
cell
deforestation
engineering
environment
environmental
forestry
happy
human
industrial
lumbering
lumberyard
nature
organizing
pile
plaid
planing
planning
shirt
sitting
stack
talking
timber
trunk
wear
smart
helmet
professional
cutter
firewood