About: http://webisa.webdatacommons.org/51723684

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 intermediate spacing means may preferably be made of a low-cost, disposable and, preferably pliable, material such as cardboard and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com