About: http://webisa.webdatacommons.org/385218183

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 piezoelectric devices that are currently on the market rely upon toxic materials such as lead and lithium ... (so) ... scientists turned to a biological solution.
http://www.w3.org/ns/prov#wasQuotedFrom	thedoctorsvideos.com