environmental
air pollution
bridge
canal
cargo
carrier
chemical
commercial
copy space
energy
environment
fossil fuel
freight
freighter
fuel
gas
gasoline
germany
hohenhorn
industrial
industry
keel canal
load
logistics
nature
nautical
navigation
nobody
north
north baltic sea channel
oil
oil industry
oil tanker
outdoor
petrol
pollution
river
schleswigholstein
ship
shipping
tank
tanker
trade
transport
transportation
travel
vessel
water
waterway