About: http://webisa.webdatacommons.org/404737023

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	Historically, helmets have been made from a wide range of materials, including various metals, plastics, leather, and even some fibrous materials such as Kevlar.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org