adult

apparatus

blue

business

cables

caucasian

clipboard

connection

control

data

device

digital

electric

engineer

engineering

equipment

factory

fix

helmet

industrial

industry

information

job

lab

machine

male

man

management

manager

manual

modern

person

power

professional

project

rack

room

safety

server

service

specialist

station

technical

technician

technology

virtual

work

worker

young