1.   The wind still managed to find a way through the hairline crack, whistling eerily around the interior of the freight car.

2.   Beneath the dark glasses and scrub-brush moustache, even his smile was barely more than a hairline crack in the facade.

3.   A. The best fix for hairline cracks is to ignore them, live happily ever after with them.

4.   Early detection of hairline cracks, for example, would enable technicians to replace crucial parts long before lives are endangered or there is expensive damage.

5.   Expects X-rays to be whipped from a coat pocket and held to the light, showing the hairline cracks, the suspicious shadows.

6.   Even though the pipe may look undamaged, it may have hairline cracks that could sprout leaks when the water melts.

7.   Halfway through another adventure in Falcons football, the hairline cracks and simmering frustrations are beginning to show.

8.   Hairline cracks as small as an eighth of an inch long can be spotted.

9.   Hairline cracks are normal in plaster and are no cause for concern.

10.   I noticed a hairline crack all the way through the concrete foundation.