Assertion: cd's pit | /r/HasProperty | bump
Facets:
value: " really
type: DEGREE
Source sentences:
text: Pits are "bumps" really, from the read lasers point of view, because the master disc with pits is duplicated negatively, turning the pits into bumps.
text: The laser (red) flashes up onto the shiny (under) side of the CD, bouncing off the pattern of pits (bumps) and lands (flat areas) on the disc.