About: http://webisa.webdatacommons.org/140957683

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	Piezoelectric ceramics typically comprise a ceramic material, such as lead zirconate titanate (???PZT???), that change shape when an electrical current is applied to the material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com