About: http://webisa.webdatacommons.org/338748633

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	This post-treatment may be applied for about 5 minutes. [0343] When casting a lens, particularly a positive lens that is thick in the center, cracking may be a problem.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr