If you mean the symbol â, it means âcontains as an elementâ. The expression Aâx is equivalent to xâA, which means that x is an element of A and implies that A is a set. See Element (mathematics).
Tile, whether ceramic, porcelain or stone, is one of the most popular floor coverings for the kitchen. Find out which material is right for your home renovation. Tile Flooring. Subflooring for Wood, Tile, and Other Types of Flooring. Tile Flooring. Your Tile Floor Is Cracked. This Is Why.
Polyurethane Wood Floors. The most popular wood floor surface is polyurethane. Polyurethane is the only floor finish that can be used just about anywhere. The three main types of polyurethane used on hardwood floors are; oil modified, water based and moisture cured. Oil modified polyurethane is often applied over oil based stains.