Construction site concrete pouring site, Luannan County, Hebei Province, China
Palabras clave
site,
concrete,
pouring,
construction,
men at work,
pipeline,
spray,
industry,
china,
labor,
builder,
industrial,
equipment,
work,
cement,
foundation,
architecture,
development,
building,
infrastructure,
engineering,
job,
reinforcement,
project,
footed,
material,
pump,
helmet,
technology,
formwork,
fill,
framework,
machinery,
structural,
laying,
mortar
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