英文關鍵字
adult
angry
big
branch
branches
chainsaw
cutter
danger
ecology
energy
engineer
equipment
firewood
forest
helmet
industrial
industry
inspection
job
logging
lumber
lumberjack
machine
male
man
manager
manual
natural
nature
near
objects
occupation
old
outdoor
outdoors
phone
pile
power
professional
protection
protective
renewable
safety
saw
sawdust
sawing
smarth
talking
the
timber
tree
trees
vest
walking
with
wood
woods
work