About: http://webisa.webdatacommons.org/406354043

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	2) My plan will possibly have two types of unions (for servicing reasons): (1) copper-to-copper and (2) copper-to-pvc; I am thinking brass compression unions for (1), but what is the best practice for (2)?
http://www.w3.org/ns/prov#wasQuotedFrom	sprinklertalk.com