About: http://webisa.webdatacommons.org/283058225

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I have never seen a residence in Mexico with vent pipes protruding through the roof. (I always look for them) The vents are necessary for several reasons, including public health and safety.
http://www.w3.org/ns/prov#wasQuotedFrom	mexconnect.com