blue
bucket
cable
climb
concrete
connection
crane
current
danger
distribution
electric
electrical
electrician
electricity
energy
equipment
high
industrial
industry
installing
job
lamp
lantern
lift
lifting
light
line
male
man
metal
new
outdoor
pillar
pole
post
power
pylon
repair
sets
sky
street
streetlight
supply
technology
urban
utility
voltage
wire
work
worker