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.
Both types of flooring come in a wide variety of colors and wood species. The specific type and style of flooring you'll ultimately choose will depend on several factors, including price, size of the floorboards, wood species, ease of installation, type of subfloor, and the room itself.