About: http://webisa.webdatacommons.org/40250928

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	However, the liquid-imperviousness may be provided by a material other than the elastic layer so that the latter need not necessarily be liquid-impervious.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es