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.
Consider the costs, benefits, and the downsides of each type of flooring before you commit. Here is a list of the most popular types of flooring, their pros and cons, and the rooms for which they are best suited. 1. Hardwoods.