Galpon metalico construccion trabajadores postes de electricidad galvanizado estructura metalica industria mineria
Palabras clave
structure,
building,
industry,
steel,
site,
scaffold,
architecture,
industrialist,
crane,
metal,
factory,
work,
development,
engineering,
power,
project,
plant,
urban,
house,
equipment,
technology,
duct
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