About: http://webisa.webdatacommons.org/408569053

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	Support 20 is preferably made of a transparent material such as plastic or glass to allow a clear view of the material 26 to be tested.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com