1.   High-tech listening equipment was used to find survivors in the rubble.

2.   Others use magnetic resonance imaging, like those used to find tissue damage in humans, to detect explosives.

3.   Pigs have a keen sense of smell, which is why they are used to find truffles.

4.   The patterns of the lines can be used to find a probable crystal structure.

5.   These had been used to find enemy planes and ships in World War II.

6.   The study of recall over time has been used to find whether there are separate system underlying short-term and long-term memory or only one system functioning at different levels.

7.   Regression was used in order to find the best straight line.

8.   An admissible algorithm can then be used to find the optimal path according to the problem definition.

9.   When you have used a bibliography to find the title of something to read, how do you then get your hands on it?

10.   The file must have been opened before EXT can be used to find its length.