Joists and vaults
Drawing labels, details, and other text information extracted from the CAD file (Translated from Galician):
Layer of compression, Swivel, Connection gives it, Layer of compression, Swivel, Concrete rod, Metal unfolded for flattening, Complementary armed, Metal unfolded for flattening, Concrete rod, Connection gives it, Layer of compression, Metal unfolded for flattening, Concrete rod, Complementary armed, Concrete rod, Metal unfolded for flattening, Swivel, Twisted beam