Screw pillars during the construction of a fence

The main part of the construction of any fence or fence are supports, poles or special racks that are mounted to spans. Today there is a wide range of various materials that are used in the manufacture of fence racks. These are asbestos -cement and metal pipes, and concrete and wooden pillars, and special concrete blocks that are designed to build fences. Also, fence pillars can be made of stone or glass.