About: http://webisa.webdatacommons.org/204040130

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 interior or exterior upper surfaces 34 of cells 28 are preferably differentially coated with multi-directional grids 36 of an elastomer or polymer material or other suitable material to selectively restrict air passage therethrough.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com