Соединение балок деревянных и балок металлических в систему опалубки
Palabras clave
construction,
men at work,
work,
industry,
equipment,
surveyor,
industrial,
tool,
machine,
yellow,
building,
people,
builder,
geodesy,
surveying,
isolated,
land,
safety,
working,
repair,
technology,
carpenter,
road,
maintenance
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