The centers of inertia of the two objects are located at different positions.

The twins were the centers of attention at the party.

The chains of command in the military are well-defined and hierarchical.

There were multiple changes of innings during the cricket match.

There are several chapels of ease in the town.

The changes of tack in the company's strategy have led to increased profits.

There are multiple channels of distribution for our products.

The chiefs of party are responsible for managing the project.

His children are chips off the block.

They are chips off the old block.