About: http://webisa.webdatacommons.org/113735063

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 tests are described including environmental tests, drip and topple tests, waterspray tests, and vibration tests.
http://www.w3.org/ns/prov#wasQuotedFrom	nationalgallery.org.uk