About: http://webisa.webdatacommons.org/6350632

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	Enclosed between the outer and inner layers, protected from abrasion and other potential hazards inherent in direct physical contact, at least one surface is a weather layer, preferably impervious to water.2012-12-20
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org