Trials were conducted in early 1944 and the conversion proved all that was expected.

At the same time, conversion of military industries to civilian production has proved difficult.

The original conversion proved unsatisfactory, and a major reconstruction was launched in 1599.

An early impulse was to try to save and transform the old hospital buildings, but conversion proved too difficult.

The conversion did not prove difficult, since the heroes were all cut from the same cloth as Conan.

This conversion proved to be very successful, and a reduction of 1,000 lb in empty weight being registered.

In the United States, a conversion to the prewar economy nevertheless proved difficult.

Lloyd's missed free throws and Scott's conversion proved to be a big difference in the game.

This conversion proved costly, however, and his company was forced into bankruptcy.