Wall



=== A wall is a solid structure which helps to define a space in its interior (internal partitions) and also in its exterior ; in some cases it can provide security acting like a barrier. It also helps to reflect art and expressions.===

= Types of Structures Walls =
 * 1) ===Boundary walls===
 * 2) ===Defensive walls===
 * 3) ===Retaining walls===
 * 4) ===Shared walls===
 * 5) ===Curtain walls===
 * 6) ===Dry ston===
 * 7) ===Building walls have two main purposes:===
 * ===To support roofs, ceilings and other upper floors.===
 * ===To divide spaces, that is internal partitions===