bar
box
brown
cable
civilization
column
consume
corrosion
economy
electric
electricity
energy
feed
grid
grunge
high
industrial
industry
infrastructure
installation
insulator
line
mast
metal
network
old
pillar
pilon
pole
power
rust
rusty
save
saving
shock
sky
steel
street
structure
substation
supply
support
system
technology
transformer
urban
voltage
wast
wire