An old man sat on the other side of the disc.

That film is on the other side of the disc.

They are usually in the form of a round disc.

Both movies are on the same side of a single disc.

You can move from the beginning of a disc to the end in about five seconds.

The track of a disc with two sides would be about 30 miles long.

Williams asked, even before moving on to the second of the three discs.

Vertical movement of the disc was kept to within 0.05mm.

But there was the other copy of the disc at his home.

The upper surface of the disc was now level with the ground.