About: http://webisa.webdatacommons.org/384164518

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 obstruction modulator 53 d may be constructed of a plurality of light obstructing materials such as metal, wood, or plastic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com