If the system does not add value to the users' mission, they simply don't use it.

The system will add 200,000 subscribers when it is completed.

The system has no moving parts and should not add much to battery demands, they added.

Then the system adds two descriptive words to create a total of 220 distinctive colors.

But the new system, he added, "levels the playing field."

Boeing's system adds 600 to 800 pounds to the plane.

All cooling systems add weight and complexity to a launch system.

Some members said the new system added paperwork and did not necessarily change which groups received money.

Typically, these systems add from a few hundred to nearly two thousand dollars to a car's price.

The safety administration estimates the systems will add about $70 to the cost of each new vehicle.