About: http://webisa.webdatacommons.org/37819684

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	Protection can be provided with layers of sand, concrete, fiber-matting and other materials.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org