About: http://webisa.webdatacommons.org/287006968

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	th 2: : Unless space is a consideration why not just run everything the same size rather then trying to save a few cents.: Yes an 11/2 Vent is legal in most codes but 2 would be the way I would go.
http://www.w3.org/ns/prov#wasQuotedFrom	terrylove.com