About: http://webisa.webdatacommons.org/310432026

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 shield can be made of any suitable construction material such as concrete, plastic or metal and in the particular embodiment is a polyester bonded concrete.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com