About: http://webisa.webdatacommons.org/218734616

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 tuning mechanism may include piezo-electric actuators, liquid crystals, temperature, pressure, and other mechanisms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com