abstract
architecture
blue
bright
cable
clouds
connection
construction
current
detail
electric
electrical
electricity
energy
engineering
environment
equipment
frame
geometric
geometry
high
industrial
industry
iron
light
line
metal
metallic
network
perspective
pole
pollution
post
power
pylon
sky
spider
steel
structure
supply
tall
technology
tower
transmission
view
volt
voltage
watt
wire
work