<http://webisa.webdatacommons.org/prov/251538085>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/191791608> .
<http://webisa.webdatacommons.org/191791608>	<http://www.w3.org/ns/prov#value>	"PEX (Cross-linked polyethylene): When an area is difficult to reach or not large enough for traditional types of plumbing materials, PEX is commonly used." .
<http://webisa.webdatacommons.org/191791608>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<alignjournal.com> .
<http://webisa.webdatacommons.org/191791608>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .