About: http://webisa.webdatacommons.org/72055012

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	The cover 10 may be provided with a barrier layer 38 of waterproof plastic such as polyethylene, polypropylene, or other suitable waterproof plastic (FIG. 4A).
http://www.w3.org/ns/prov#wasQuotedFrom	google.es