About: http://webisa.webdatacommons.org/272668969

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 upper plate 20 has a frame that forms the sidewalls 24 of one or more wells 16 and is preferably made from a polymeric material such as polystyrene.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es