機器
backloader
brown coal
bucket
bucket wheel excavator
business
carbon dioxide
carbon footprint
coal
coal mine
conveyor belt
crawler
crisis
cultivator
destruction
dig
digger
dredging
earth
economy
electricity
energy
energy crisis
environment
environmental
excavation
excavator
exploitation
fossil fuel
garzweiler
geology
germany
global warming
greenhouse effect
hambach
inden
industrial
industry
krupp
landscape
large
lignite
mine
mining
mover
north rhineland
open cast
ore
oredeposit
piglet
pit
plant
power
power plant
power shovel
power station
quarry
rheinbraun
rhineland
rock
rwe
sand
shale
shovel
soil
sunset
sustainable
sustainable energy
tagbau
takraf
technology
transportation
trencher