antennae
blue
cable
cement
ceramic
clear
cloud
communication
concrete
connection
construction
danger
design
distribution
electricity
energy
engineering
equipment
generation
high
industrial
insulation
light
line
metal
mortar
near
network
old
phone
pillar
pole
porcelain
post
power
pylon
shape
sky
structure
supply
tall
technology
telephone
tower
transmission
urban
volt
voltage
white
wire