About: http://webisa.webdatacommons.org/31503756

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	Prefabricated wood or metal barriers, or suitable materials, such as wire or ropes, may be used to block off an area; signs should be provided to supplement these barriers.
http://www.w3.org/ns/prov#wasQuotedFrom	tbrnews.org