About: http://webisa.webdatacommons.org/228619556

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	Other materials can be present, and will move along with the active material, but they will not contribute to the motion other than to add mass to the moving element.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com