activity
beam
blade
caucasian
chainsaw
circular
construction
cross
cut
cutting
day
earmuffs
electric
firewood
fuel
gasoline
green
hand
hands
helmet
human
job
log
logger
logging
male
man
manual
occupation
outdoors
petrol
power
protection
risk
safety
sawing
saws
section
sharp
timber
tool
tree
wood
woodcutter
work
worker
working