<http://webisa.webdatacommons.org/153618791>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/300545285>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/153618791> .
<http://webisa.webdatacommons.org/153618791>	<http://www.w3.org/ns/prov#value>	"A trap is a fitting or device so designed and constructed as to provide, when properly vented, a liquid seal which will prevent the back passage of air without affecting the flow of sewage or waste water through it." .
<http://webisa.webdatacommons.org/153618791>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<kingcounty.gov> .