About: http://webisa.webdatacommons.org/120380932

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	Obviously if you bump or move the system while the laser head is millimeters away from the disc, there is a good chance it is going to scratch it.
http://www.w3.org/ns/prov#wasQuotedFrom	dailytech.com