barbed wire
barrier
big
blue
building
chimney
climate
contamination
cooling
czech czech republic
danger
dangerous
energetic
energy
environment
environmental
facility
factory
fence
fuel
industrial
industry
mesh
plant
pollution
power
private
prohibited
protection
restricted
safety
scenery
secure
security
sky
smoke
smokestack
station
steam
sun
sunny
technology
tower
toxic
vapor
voltage
wall
warming
warning
waste