About: http://webisa.webdatacommons.org/230321391

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 entire assembly is preferably formed from plastic although other materials such as aluminum, galvanized steel and other metallic or non-metallic materials may be employed.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com