Pipes and fittings in isometric view.
Drawing labels, details, and other text information extracted from the CAD file (Translated from Spanish):
ppal network, w.c., tub pvc pend. min., cespol, with. reducc., elbow, tar, lab, lro, reg, cold water, lime, elbow, w.c., cespol, with. reducc., elbow, low level, top floor, isometric, hydraulic, lab, reg, elbow, elbow, elbow, elbow