Therefore, the culture is a useful illustration of general African music.

This is a useful illustration of how the vascular tree forms, although it cannot be used as a model.

How the tower was built (Dutch, but with useful illustrations)

Solar thermal power provides a useful illustration because it shows promise as a renewable option for baseload power.

It is not every reformer's list, but it is a useful illustration of what a "revolution" would actually entail.

The fact that new cars are normally sold with a guarantee that includes both mileage and time is a useful illustration of the dilemma.

It is a useful illustration as long as we remember that no illustration is exact.

For enhanced legibility, the most useful technical illustrations are not necessarily photorealistic.

My experience as a judge in the Criminal Court might serve a useful illustration of the problem.

The anecdote and its aftermath are a useful illustration of several themes that Ross develops.