Soon, Dondon found himself a vital cog in the team's offensive rotation.

The Raiders depend on him; he is a vital cog in their surprisingly effective offense.

He was uncreative but not stupid, a vital cog of empire.

Specialist firms are vital cogs in the machinery of the stock market.

By 2000 tentative steps were being taken to re-establish vital cogs in the machine.

From that moment on she appeared chosen to become a vital cog in an American plan to avoid a nuclear confrontation.

The Olympics is a vital cog in the pharmaceutical industry's engine.

He was no longer a vital cog in a large, important mechanism.

This lady is a vital cog in the Uk society enhancing her life but also others.

All are vital cogs in the machinery of New York dance.