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).
Concrete Floor Care 101. Concrete flooring is one of the most durable types of flooring you can install in your homeânot to mention it adds an interesting design element that is both contemporary and uncommon. Itâs also easy to maintain if you follow a few simple guidelines.
Cost to Repair Different Types of Floors. The type of floor that is damaged will greatly impact the cost of your flooring repair project. Some of the most common flooring types include hardwood, carpet, laminate, tile and vinyl.he type of floor that is damaged will greatly impact the cost of your flooring repair project. Some of the most common flooring types include hardwood, carpet, laminate, tile and vinyl.