For historical reasons, two different schemes are in use worldwide, differing in their use of colour.

The two series differ principally in their use of tense to describe the temporal relation between events.

Subspecies differ in their use of plant communities and vegetation structures.

Modern researchers differ in their use of the concept.

Men and women differ in their use of questions in conversations.

Excel for OS/2 differs from earlier versions primarily in its use of computer memory and graphics.

The rangekeepers of other nations used similar algorithms for computing gun angles, but often differed dramatically in their operational use.

The airlines differ widely in their use of repair stations.

Insurgencies differ in their use of tactics and methods.

His design differs, however, in his use of tiles for texture and scale.