About: http://webisa.webdatacommons.org/323604933

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 actuators are the industry-standard for mechanical actuation on micro scales, but they are complicated to grow, need large voltages for small displacements, and typically involve toxic materials such as lead.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org