英文關鍵字
activity
belt
branch
broken
chainsaw
construction
cut
cutting
danger
daylight
destruction
environment
equipment
eyeglasses
forest
green
hanging
high
holding
industry
job
lumberjack
male
man
nature
outdoors
person
pine
power
professional
protection
safety
saw
sawing
timber
timbering
tool
tree
trunk
uniform
weather
wood
woodcut
woodland
work
worker