environmental
black
brown
brown coal
car
carbon
cargo
carrying
coal
container
energy
engine
europe
freight
fuel
german
germany
hambach
industrial
industry
lignite
locomotive
marshalling
mine
miner
mining
overhead
pit
plant
power
production
rail
railcar
railroad
railway
rwe
shunting
shunting yard
station
technology
track
train
transport
transportation
transporting
view
wire
yard