Assertion: cd's track | /r/CapableOf | help to guide the laser
Facets:
value: for recording data
type: PURPOSE
Source sentences:
text: A pregrooved spiral track helps to guide the laser for recording data, which is encoded from the inside to the outside of the disk in a single continuous spiral.
text: A pregrooved spiral track helps to guide the laser for recording data, which is encoded from the inside to the outside of the disc in a single continuous spiral.