About: http://webisa.webdatacommons.org/93610223

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	Over the years, researchers developed and tested various actuators and mechanisms, such as electromagnetic, piezoelectric, thermal, pneumatic, and shape memory alloys.4
http://www.w3.org/ns/prov#wasQuotedFrom	spie.org