So far, about 100 companies and research groups have tested the system.

Not a chance, said her husband, who then tested the system for himself and, like his wife, was turned away.

We used to test the system three times a day.

An ammunition ship is sent first to test the new system.

One of its most important tasks during the late 1950s was to test systems for the new Boeing 727.

After testing the new system, it's safe to say: yes.

No one can predict which infectious disease will test the system next.

"A private lab could test more systems to see if there's an elimination further down."

The company said it will start testing the system at customer sites this fall.

For the next three years until 1992, Li was said to have begun testing the system with a small group of students.