Of the three operating mines only one, the Wettlaufer, proved feasible.

He said the Soviet leader did not rule that out if it proved feasible.

When that did not prove feasible, he added, the spot was run during telecasts of the game in more than a dozen foreign countries.

Destruction of the arms did not prove feasible then, but there is no good reason why it should not be carried out now.

If that proves feasible, it might go a long way to overcoming the neighborhood's isolation.

But no one is sure whether an effective vaccine will prove feasible.

D'murr realized the military and economic potential of such a device, if it could ever prove feasible.

Even if continued economic growth proved feasible there remains the question of whether it is desirable.

This system, if it proves feasible, will protect Europe' s citizens.

However, should this not prove feasible, a civil divorce is acceptable.