About: http://webisa.webdatacommons.org/193175144

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 system according to claim 2, wherein the controller is a microprocessor, and wherein the timer is a display that presents numbers related to a preset period for handwashing. 6.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com