英文關鍵字
business
cable
communication
construction
current
dusk
electric
electrical
electricity
electrons
energy
engineering
evening
fuel
generation
grass
herb
highvoltage
industrial
industry
lapse
lines
metal
nature
network
orange
power
powerlines
pylon
silhouette
sky
steel
sun
sunset
tall
technology
timelapse
tower
transmit
voltage
volts
wire