About: http://webisa.webdatacommons.org/23117459

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	The tubes are provided with rims which serve to support the tubes from a supporting member, for example, a support plate or from a rotor including holes or slots.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com