About: http://webisa.webdatacommons.org/46887598

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	Such a shelf is optional; one alternative is a tilted tray for holding papers or an iPad.
http://www.w3.org/ns/prov#wasQuotedFrom	twincities.com