In some countries, there are special systems which give help to people.

Not everybody in the field believes a special system is required.

The special systems built to protect this under water city failed in several ways.

I am beginning to suspect all elaborate and special systems of education.

Oh, there were all sorts of special systems to examine them.

There's nothing you can do about that, but without a special system the ice walls would have melted in no time.

Like all experienced drivers, he developed a special system to find a parking space.

Due to a special industrial system, the production company can produce up to 42 minutes broadcast material per day.

But, they said, they did not believe the plane could have stopped without the special system.

Also, the center contains a special system of lights that does not produce heat in the studio.