About: http://webisa.webdatacommons.org/102817949

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	Additionally, a dust cap, which is attachable to the annular member, is provided to prevent dust or other contaminating agents to enter into the housing when the system is not in use.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es