This required a large number of members to make it.

This required a number of design changes to reduce costs.

Some passes require a specific number of players to form the team.

And at that power level the government requires a number of safety features.

They also required a number of major labor union concessions.

The march would be dramatic, but not require large numbers of participants.

However, such pyramids required a very large number of boys.

Field one requires a number for the proceeding associated with the issue.

Does he or she require a minimum number of guests?

The problem is simple, but it requires a number of conversion factors.