機器
blue
blue collar
busy
caucasian
collar
construction
control
crafts
craftsman
equipment
eyeglasses
fabric
fabricator
factory
industry
instruments
iron
job
look
machinery
machinist
male
man
manual
manufacturing
mashinery
measuring
mechanical
metal
metallic
metalwork
middle age
occupation
operate
people
person
production
protection
protective
safety
skilled
technician
tool
uniform
work
work wear
worker
workman