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.
The Most Durable Kitchen Flooring Options. Long Lasting Materials For Everyday Use. You put your kitchen floor through a lot. Between spills and drips, heat and dropped utensils, as well as the constant plod of feet, the flooring in this space has to be able to handle multiple hazards and look good doing it.