About: http://webisa.webdatacommons.org/365081493

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	A biased normally closed electric switch as indicated in FIGS. 5 and 6 would be particularly useful to actuate a device to exert a pressure or force upon the chest of the wearer during exhalation so as to assist in exhalation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au