About: http://webisa.webdatacommons.org/419171498

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	It would be advantageous if techniques were available to enable laser engraving to produce some or all of these features, especially gray scale and/or color images and photographs.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au