英文關鍵字
appearance
blue
building
cable
chemical
chimney
chimneys
climate
coal
distribution
electric
electrical
electricity
emissions
energy
environment
environmental
equipment
factory
form
fuel
general
grid
heavy
high
industrial
industry
isolated
line
lines
metal
outside
panoramic
petrochemical
pipe
plant
pole
pollution
power
production
pylon
refinery
smoke
smoking
station
steel
structure
sunset
supply
technology
tower
trail
transmission
vector
voltage
wire