amsterdam
beverwijk
chimneys
condensation
corus
dutch
emission
energy
europe
european
exhaust
factory
holland
ijmuiden
industrial
industry
iron
landscape
manufacturing
metal
netherlands
noordzeekanaal
north sea canal
ozone
pipes
plant
power
river
ship
sky
smog
smoke
stacks
steam
steel
steelmaking
steelworks
tata
vapour
velsen
water
wind generators
wind turbines