About: http://webisa.webdatacommons.org/440921898

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 masking may be made with any light absorbing material, such as black paint, black tape, black foam backing, or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es