About: http://webisa.webdatacommons.org/327898048

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	Naturally, particles of other suitable material, for example of plastic, and of any shape, for example in the form of ellipsoids or polyhedras, can also be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es