英文關鍵字
branch
branches
bucket
care
chainsaw
chair
crane
cut
cutting
equipment
felling
forest
forestry
garden
gardening
green
height
high
industry
job
lift
lumber
lumberjack
maintenance
male
man
park
people
platform
professional
pruning
removal
remove
safety
saw
sawdust
sawing
service
spring
thin
timber
tree
trim
trimming
truck
trunk
wood
woodcutter
work
worker