About: http://webisa.webdatacommons.org/300159149

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	Also, all of the electrical components other than batteries, which have to be frequently replaced, were kept inside a plastic case so that the user could not come in contact with any of the circuitry, making it very safe.
http://www.w3.org/ns/prov#wasQuotedFrom	cornell.edu