機器
adult
blue collar
business
caucasian
checking
company
control panel
control room
distribution
electric
electrical
electrician
electricity
employee
engineer
engineering
ethnicity
facility
hardhat
helmet
industrial
industry
job
machinery
male
man
mature
meter box
mid age
middle aged
modern
occupation
overall
power plant
professional
senior
substation
technical
technician
transformer
uniform
work
worker
workplace