11.   Minute particles of dirt and sand can become trapped in the veins of the leaves and between the stalks.

12.   Pit corrosion occurs outdoors when the wind attacks metal surfaces with minute particles of dirt, salt or sand.

13.   Rainwater runs down over this zinc strip, picks up minute particles of the mold-inhibiting metal, and spreads them over the roof.

14.   Pit corrosion occurs outdoors when the wind bombards metal surfaces with minute particles of dirt, salt or sand and creates microscopic craters that retain moisture.

15.   The combustion gases carry minute particles that settle as dust.

16.   The latter are tiny droplets of sulfur that reflect sunlight and minute particles that serve as the nuclei for cloud-forming water droplets.

17.   Vapor-tracing machines detect the presence of minute particles of drugs or explosives at ports of entry.

18.   Children are especially vulnerable because their digestive systems swiftly absorb minute particles of heavy metals like lead, the bank said.

19.   Researchers report Friday in the journal Science that by angling and focusing lasers they can force minute particles, such as chromosomes, to rotate.

20.   Dutch scientists have developed a microscope capable of determining the electrical properties of minute particles, representatives of the project said Monday.