About: http://webisa.webdatacommons.org/356908337

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	Hence the reason that propane tanks, champagne bottles, soda pop cans, submarine pressure hulls, spacecraft, and other pressure vessels are ideally round or have hemispherical ends.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net