About: http://webisa.webdatacommons.org/417853535

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	Drilling in bones, particularly bones of the face and head, requires accurate and reliable control over the penetration depth.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es