30s
age
aged
automatic
builder
building
cable
caucasian
construction
control
electric
electrical
electrician
electricity
electronic
energy
equipment
floor
fuse
fusebox
hardhat
helmet
home
house
industrial
industry
installing
job
light
male
man
men
middle
new
occupation
office
panel
power
repairs
residential
site
socket
switch
system
technology
uniform
voltage
wall
white
wire
worker
working