About: http://webisa.webdatacommons.org/252481540

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	These T-shaped metal fittings control the rate of flow of wastewater into the trap and protect against sudden surges from the sink or other fixtures from overloading the system.
http://www.w3.org/ns/prov#wasQuotedFrom	nachi.org