absetzer

bagger

big

buckau

bucket

cast

construction

crawler

cultivator

deposit

destruction

dig

digger

earth

electricity

energy

environment

excavation

excavator

exploitation

geology

huge

inden

industrial

industry

landscape

lignite

machine

mine

mining

night

oil

open

ore

pit

plant

pollution

quarry

rheinbraun

rock

sand

smoke

soil

sustainable

takraf

technology

transportation

trencher

wheel