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.
As a type of faux-marble used in flooring and counter-tops, terrazzo is one of the most useful and beautiful materials that you can opt for. Originating from an Italian town with the same name, some of the types of terrazzo that you can choose from including epoxy, cementitious, sand cushion and monolithic.