About: http://webisa.webdatacommons.org/200981894

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	Thus, there is a problem in that the load at the time of attaching or detaching the optical disc to or from the positioning mechanism is usually large and that it is difficult to cope with a non-circular optical disc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com