arm
builder
cable
check
concept
construction
control
drop
electrical
electrician
electricity
engineer
engineering
equipment
fixing
hand
handy
handyman
hold
industry
inspection
install
maintenance
male
man
management
master
measuring
new
outlet
power
probe
problem
qualification
quality
renovation
repair
safety
service
skill
socket
staff
test
tester
voltage
voltmeter
wall
wires
work
worker