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.
Todayâs choices in flooring are more varied than ever, running the gamut of styles, finishes and installation options. Product innovation is clearly blurring the lines between many flooring categories, and the raw materials used to create flooring types include gin bottles, corn sugar and the staves from old wine barrels.