The ban also prevents countries that purchase the aircraft from buying such Israeli military systems.

American troops often depend on them, and an international ban would not prevent other forces from using them.

Friday's ban prevents companies from going around the rules by buying a bank or savings institution.

The exchange's ban also has prevented what are known as "package" trades from being executed through the computer system.

His lawyers argued that the ban prevented him from contending for a championship.

The ban prevented a large proportion of Japan's blind community from earning a living.

"And this ban has clearly prevented the opportunity to lift the economy and try to bring the city back to normal."

The ban prevents the rating of computers relative to professional players.

The ban would prevent hospitals from importing red blood cells, which patients receive during surgery and other procedures.

New York's proposed ban, he argues, could prevent 500 deaths a year.