1.   When particles of dirt land on its damp surface, they tend to stick more than on a dry surface.

2.   She took a couple of steps on to the damp surface, lost her balance and collapsed to her knees.

3.   Black mildew, and its green cousin algae, will grow on a damp surface, and any damp surface except glass, unpainted metal, and glazed tiles.

4.   A. Dampen the upholstery with a wet sponge, then sprinkle a whole bunch of baking soda on the damp surface.

5.   Algae is related to seaweed, a bright green growth on damp surfaces.

6.   Maintaining the damp surface is not necessary if you use a liquid bonding agent.

7.   Mold grows on damp surfaces.

8.   My tension vanished into the streams of color that spread gracefully over the damp surface of the paper.

9.   Some people claim that such adhesive will not last very long when it holds wood strips against a cold and sometimes damp surface.

10.   Water vapor in the air condenses on these cool areas, creating a damp surface, and the soot and other dirt sticks on them.