That has required the addition of a second Sunday morning service.

It required only the addition of his dinner jacket to make himself complete.

Since these are human concepts, they require the addition of fuzzy logic.

This is because expansions require little addition to base gas.

This configuration required the addition of an upper stage to reach orbit.

Such reactions require the addition of energy in the form of heat or light.

The convention recommended but did not require the addition of a bill of rights.

Continued growth required the addition of another wing in 2002 to provide a gym, eight classrooms and a computer lab for the middle school students.

The increased weight required a suspension redesign and the addition of power steering.

The move will require only the addition of a few street signs and reprogramming the traffic lights.