<http://webisa.webdatacommons.org/prov/10157944>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/354631479> .
<http://webisa.webdatacommons.org/354631479>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/354631479>	<http://www.w3.org/ns/prov#value>	"Leaks can be the result of the piping weakening over time, unintentional dislodging of pipe connections, improper installation of the system or roots and other external elements penetrating into the pipes." .
<http://webisa.webdatacommons.org/354631479>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<prlog.org> .