11.   It was a broken hulk, millennia of dust particles covering the displays and floors.

12.   She was aware of the light flooding in coldly, shafts of sunlight with little dust particles in them.

13.   As new layers are created, old ones dry and disintegrate into dust particles.

14.   Before entering the rooms, the workers take forced-air showers to remove dust particles from their clothing.

15.   Besides waterproofing and keeping the ear canal clean by catching dust particles, the wax is acidic enough to prevent the growth of bacteria.

16.   - Most dust particles in your house are made from dead skin.

17.   But in his mind, smoke is not a dust particle, and it should not harm the computer.

18.   By analyzing damage to solar panels from the Hubble Space Telescope, the team were able to conclude that space dust particles were the main culprit.

19.   By tracking the movement of thousands of raindrops and dust particles amid storms, it can detect dangerous wind conditions and alert air-traffic controllers and pilots.

20.   Cooper and other scientists believe the sugar compounds may have formed as starlight heated icy water, ammonia and carbon monoxide on the surface of small dust particles.