11.   Small leaks have a habit of becoming bigger, and with oil, any leak is a hazard, especially to the environment.

12.   Small leaks in underground or underwater tunnels are not unusual.

13.   Space agency experts made the photographs public last Sunday, saying the irregularity suggested a small leak of explosive hydrogen.

14.   Team doctors apparently knew for years that Sapolu had a small leak in a valve in his heart since he was quite young.

15.   That hatch failed to close fully following the first spacewalk, allowing a small leak.

16.   The pipe must have some small leaks because the larger trough burbles with air that is released with the water.

17.   The retaining wall has numerous small leaks, and water constantly seeps up into the bathtub from cracks in the bedrock deep below.

18.   These often fly even higher than airliners but have a relatively tiny volume of air, so that pressure can change quickly with even a small leak.

19.   A European team of balloonists mended a small leak in their capsule Saturday, allowing them to climb in search of faster winds to speed them around the world.

20.   An aging oil pipeline in eastern Ukraine burst several small leaks, spilling crude onto the frozen earth, officials said Tuesday.