機器
bars
builder
busy
circle
construction
craft
cut
cutting
dangerous
electric
electrical
equipment
factory
hand
hardhat
hazard
hazardous
heat
hot
industrial
job
labor
labour
light
male
man
metal
person
rod
rods
russian
saw
sawing
single
site
sparks
speed
steel
tool
trimming
wheel
worker
workman
workmen
workplace