Silhouette of a bucket wheel excavator
Schlüsselwörter
activity,
background,
bucket,
business,
coal,
commodity,
construction,
crane,
development,
dig,
energy,
engineering,
equipment,
excavate,
shoveling,
exploit,
exploitation,
extraction,
high,
huge,
illustration,
industrial,
industry,
lignite,
machine,
material,
mine,
primary,
project,
quarrying,
raw,
silhouette,
site,
sky,
steal,
structure,
surface,
trading,
transport,
vector,
wheel,
succeed,
work
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