About: http://webisa.webdatacommons.org/100947873

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 materials used in forming a baffle of FIG. 8 are preferably materials such as polyester, polyvinylchloride, polyethylene, polypropylene and polystyrene all from 1.5 to 15 mils in thickness.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com