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.
Wood is the most popular type of flooring material on the market. It is aesthetically pleasing, long lasting, and if installed and finished properly, low maintenance. Ash, beech, oak, maple, cherry, walnut and bamboo are among the types of wood most used for wood flooring.