About: http://webisa.webdatacommons.org/441534734

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	As described later in this specification, these differences in structure enable rotatable element 300 to be used in a variety of applications, notably optical communications, for which the prior-art gimbaled mirrors are unsuitable.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com