About: http://webisa.webdatacommons.org/377202877

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	Such locking may be achieved by fasteners such as thumb screws, wing nuts, clamps or other appropriate fastener which can be tightened onto the individual iris leaves once each has been adjusted.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com