英文關鍵字
aid
and
arborist
blade
board
branches
bucket
chain
chainsaw
chopping
cut
cutter
danger
equipment
handler
industry
log
logger
lumber
lumberjack
lumberman
machine
man
professional
saw
sawdust
sawing
silhouettes
tele
timber
tool
tree
trim
trunk
wood
woodcutter
work
worker
workers