About: http://webisa.webdatacommons.org/431342481

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	For engraving materials such as wood, marble, acrylic, and some coated metals, they use laser engravers.
http://www.w3.org/ns/prov#wasQuotedFrom	prweb.com