There are two possibilities that can cause your garage floor to be damp: 1  When warm, humid air comes in contact with a cold concrete slab, water vapor in the air can condense on the surface of the concrete in the same way that a glass with ice sweats in summer.
flaw, fault, defect - an imperfection in an object or machine; a flaw caused the crystal to shatter; if there are any defects you should send it back to the manufacturer. wart - an imperfection in someone or something that is suggestive of a wart (especially in smallness or unattractiveness)
Summary. Anions are negatively charged ions, and are often formed from atoms or molecules that have more electrons than protons. Anions often combine with cations to make salts, which are important in the human body.