adult

are

asian

automatic

automation

business

cable

caucasian

checking

computer

connect

control

controller

development

device

electric

electrician

electronic

energy

engineer

engineering

engineers

equipmen

equipment

factory

helmet

high

holding

indoors

industrial

industry

job

machines

male

man

mechanical

mechanism

modern

network

occupation

operator

panel

people

plant

power

production

safety

service

switch

tablet

technical

technician

technicians

technology

wiring

work

worker

working