About: http://webisa.webdatacommons.org/400996649

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	Shielding: Thick, heavy and dense materials such as concrete, lead, earth or steel reduces the radiation intensity.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com