About: http://webisa.webdatacommons.org/432979045

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	end or tip of the valving rod is an area that is especially susceptible to accumulations of foam deposits because the wiping action caused by movement of the valving rod is ineffective in cleaning foam deposits from the tip.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com