About: http://webisa.webdatacommons.org/452369293

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	Whether holes, grooves or other formations are used, the core can be worked with any number of known techniques, such as laser drilling, machining, punching, etching, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au