The burghs of barony in Scotland were established as administrative divisions.

Children are bundles of energy.

The bills of mortality provide data on deaths in a specific area.

I bought three cans of corn from the grocery store.

I've had many cases of the Mondays lately.

The centers of effort are strategically located to maximize efficiency.

The centers of curvature of the lenses determine the focal length.

The centers of symmetry in the crystal lattice are perfectly aligned.

The centers of buoyancy are located at different positions on the ship.

The centres of symmetry in the crystal lattice are perfectly aligned.