機器
arboriculture
arboriculturist
arborist
chainsaw
chippings
cut
cutting
danger
dangerous
environment
equipment
felling
forester
forestry
hardhat
helmet
logger
lumberjack
male
man
motor
natural
nature
occupation
outdoor
outdoors
outside
professional
protection
protective
pruner
pruning
risk
safety
saw
sawdust
sawing
sawyer
tool
tools
tree
tree surgeon
wood
woodcutter
work
worker
working
workplace
workwear