aluminum
アルミニウム
background
cable
column
communication
connection
construction
current
danger
device
distribution
electricity
energy
engineering
environment
equipment
field
generation
global
grid
infrastructure
insulator
iron
landscape
metal
nature
network
pole
porcelain
production
pylon
row
security
silhouette
sky
space
station
steel
structure
substation
switch
technology
the pressure
transfer
transformer
transmission
volt
volts
watt
wire