英文關鍵字
blue
cable
calm
cloud
communication
connection
construction
cumulus
danger
daylight
distribution
dusk
economy
electricity
energy
engineering
equipment
field
footage
generator
horizontal
industrial
infrastructure
land
metal
motion
nature
peaceful
pole
power
pylon
serenity
sky
station
steel
sun
sunlight
sunset
supply
technology
tower
tranquility
transmission
volt
voltage
wire