About: http://webisa.webdatacommons.org/445253180

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	Using a spring or similar device, rigid materials, such as glass or ceramics can be used to make the flow-responsive element.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com