Mouth Detail Visit Type 1, used in the collection system in urban wastewater and sewage networks.
Drawing labels, details, and other text information extracted from the CAD file (Translated from Spanish):
Maximum m, variable, Stainless steel same, road, Cast iron cover frame, concrete, Eccentric cone prefabricated emptying in place, Prefabricated cylinder emptied in place, Base type support, Type visit, Esc., Maximum m, variable