機器
environmental
big
braunkohle
brown
brown coal
browncoal
bucket
co2
coal
construction
conveyor
dig
digger
digging
energy
engineering
environment
equipment
excavation
excavator
fossil
fuel
fuels
garzweiler
garzweiler lignite
germany
giant
hambach
heavy
huge
industrial
industry
large
lignite
load
machinery
mine
minerals
mining
open
pit
power
production
quarry
site
tagebau
technology
transportation
wheel