機器
adult
background
black
builder
clothing
construction
constructor
employee
equipment
glasses
glove
guy
handsome
hard
hat
helmet
hold
industrial
industry
isolated
male
man
manufacturing
mask
metal
occupation
one
people
person
portrait
profession
professional
protection
protective
red
repair
service
spark
tools
turner
uniform
welder
welding
white
work
worker
working
workman