Concrete elements on a construction site
Palabras clave
construction site,
concrete,
material,
outside,
bavaria,
shaft,
modification,
civil engineering,
industrial,
construction industry,
around,
stack,
gravel,
rock,
excavation,
no one,
no people,
tube,
order,
orderly,
boulder,
dirtied,
infrastructure,
diameter,
reinforced,
floor,
grey,
difficult,
cylinder,
ring,
industry,
sizing,
cement
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