Manufacture and sale of granite support (enclosing pole). Stone supports can have a burnt, bushed, polished, polished surface. Enclosing poles can be connected by chains or by a wooden railing that separates the pedestrian sidewalk, the bike path from the car roads. Poles may just as well prevent you from parking your property. The height of the granite supports depends on the intended use. For example, lower heights limit the ability to stop a car, while higher supports delimit roads.