About: http://webisa.webdatacommons.org/432190042

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	A polarizer 38 insures the correct polarization, S or P, depending on whether surface or subsurface defects are to be measured.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr