A Green Card holder who is not a minor can file Form N-400, Application for Naturalization, to obtain US citizenship. Similarly, he must have become a permanent resident before five years and must have remained as a permanent resident in America for at least five long years.
Now, flat paint is (usually) a latex paint that dries without a reflective finish-that's it-the finish is smoother (imho) than chalk paint. Chalk paint really dries quickly and it has a rough texture to it after it dries. Many people use wax or poly-acrylic sealant on top of their furniture piece to keep the paint from peeling. So there ya go, my best explanation.
Latex paints or acrylic paints are fast-drying water-based paints. Oil based paint is a slow drying paint made with oil. Latex paints are generally better for the interior of homes and on large surfaces.Oil-based paints are generally used on metals, wood and for paintings.The difference between oil-based and latex paint lies in their composition, properties, and ease of use.dit Difference in Composition of oil-based and latex paints. Latex paints are water-based and contain a mix of water and acrylic polymer which makes this paint more flexible and likely to be used in areas exposed to heat and cold. Because it contains only water, it is less likely to feed mildew.