About: http://webisa.webdatacommons.org/68500041

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	Glass for example lets light to be half-reflected and half-transmitted through it.
http://www.w3.org/ns/prov#wasQuotedFrom	sketchupartists.org