Ventilation Well
Drawing labels, details, and other text information extracted from the CAD file (Translated from Galician):
Variable, Well ventilation, Quotas in meters, section, Circular grid, Of foundry, Concrete wall, Threaded envelope with, For brick factory, Pates, Brick factory with, Concrete, Grid material:, With spheroidal graphite, Fge fge types, Of foundry, Circular grid, Variable