architect
blueprint
blueprints
cable
construction
contractor
diagram
drawing
electric
electrical
electrician
electricity
electronic
energy
engineer
engineering
equipment
expert
expertise
hand
human
indoor
instrument
job
maintenance
male
man
manual
measurement
multimeter
paper
people
person
plan
power
professional
project
repair
sketch
skill
specialist
switch
technician
technology
tool
voltmeter
wire
wiring
work
worker