About: http://webisa.webdatacommons.org/440454598

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	They are formed when an object, such as a shoe or a tool, rubs against a person???s foot or the bottom of a person???s hand.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.org