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.
Hardwood floors can add beauty and value to any home. There is a huge variety of different types of hardwood floors available on the market but the very first choice to make when shopping for a hardwood floor, is the choice between Engineered Hardwood or Solid Hardwood. Each has its own set of strengths and weaknesses.