About: http://webisa.webdatacommons.org/291371638

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 alternatives to piezoelectric actuators, the tuning mechanism may include liquid crystals, temperature, pressure, and other mechanisms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com