About: http://webisa.webdatacommons.org/197733086

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	Similar to the previous embodiment described above, the layers comprise a non-woven felt, preferably a polymeric material such as polyester, polypropylene or nylon.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com