1.   Contrails also can occur when water vapor condenses in thin clouds over the wings and behind the wing tips.

2.   Excessive amounts of humidity in the bathroom can cause mildew growth and also penetrate through the wallboard to condense in the insulation.

3.   He and Lazutkin have been trying to use towels to mop up the water that keeps condensing in the two unpowered modules that remain open.

4.   In the winter, a well-ventilated attic expels water vapor that would otherwise condense in the insulation.

5.   In wintertime, precipitation in very cold air masses can form ice needles, which are essentially crystals that condense in cold, dry air.

6.   More screws have condensed in my life than I can use.

7.   One continual problem with such microscopes is the tendency of a small amount of water to condense in the tiny gap between the stylus and the object.

8.   The chemicals condense in the Arctic air, fall as rain and move up the long marine food chain.

9.   Vast amounts of heat were released in thunderstorms as water vapor condensed in cloud droplets.