About: http://webisa.webdatacommons.org/141962757

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	Alternatively, the activation criterion may be the pressing of a footswitch, trigger or other button, or it may involve voice commands or a characteristic motion of the tool 128 (e.g., motion toward the screen 122).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com