About: http://webisa.webdatacommons.org/355018700

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	Tray 20 is 15 mil polyethylene or polypropylene and sheet 30 is a composite made of thin layers of paper, polyethylene (or polypropylene), foil and polyethylen (or polypropylene).
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca