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.
There are two primary types of wood flooring available. The first is the solid wood floor. These floors are generally 3/4 thick and can be purchased raw or pre-finished. The average cost of hardwood flooring will sit at the top end of the range. The other style of wood flooring is the engineered wood floor.