And what do the low levels of the newer facilities prove?

High levels would prove that fusion had taken place.

The levels usually proved to be unrealistic, largely because they did not take account of changed economic circumstances.

Each level of fulfillment proves God's reality at that level.

The level of compensation paid has proved to be a matter of historical controversy.

The new level of escalation, however, proved too ominous for all involved.

She wondered without any real hope whether he would suggest they get together that night, and her level of optimism proved justified.

The series' humorous tone and high level of characterization proved very popular.

The level of the river water would prove that.

However, the distance from ground zero and the additional level of protection proved noteworthy.