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 flooring is one of the easiest types of floors to install. While other floors require mortar, stretching tools or floor-size patterns, you can install wood flooring with tools you are familiar with: drills, saws and hammers.Wood must adjust to the âclimateâ of a room before it is installed.hile other floors require mortar, stretching tools or floor-size patterns, you can install wood flooring with tools you are familiar with: drills, saws and hammers. Wood must adjust to the âclimateâ of a room before it is installed.