About: http://webisa.webdatacommons.org/246767995

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 tile is further adapted to receive a surface covering such as a carpet or mat, preferably an air permeable covering which will permit air to pass through apertures in the surface of the tile to the ground below.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com