adult
bill
box
cable
check
checking
checklist
clipboard
control
counter
electric
electrical
electrician
electricity
electronic
energy
engineer
equipment
fuse
holding
inspecting
inspection
inspector
job
maintenance
male
man
mature
measure
measurement
meter
opened
paperwork
people
power
professional
read
reading
register
service
specialist
technical
technician
voltage
wire
work
worker
working
workwear
writing