The concrete slab lies on a platform under a layer of sand. Different levels of.
Schlüsselwörter
technology,
construction,
leak,
break,
building,
concrete,
covering,
create,
dirty,
disaster,
ditch,
equipment,
grey,
build,
industry,
sand,
slab,
lie,
platform,
under,
layer,
different,
level
Deutsch
