About: http://webisa.webdatacommons.org/139601225

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	As the canister may be dirty or covered with germs or other matter, it may be undesirable for the canister walls to be touched by a user's hand.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com