About: http://webisa.webdatacommons.org/132267484

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	The present invention overcomes the disadvantages and limitations of the prior art by providing a system and method for placing marks on surfaces including boards, panels, or walls in specific intervals in a single operation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com