What is a prick

Drainage is a massive beam that supports the ceiling structure. Originally, it was laid in the center of the ceiling under the beams along the length of the building. In the 19th and 20th centuries it was also built into residential areas. The area of ​​the drawing was decorated with an ornament, there was also the year of construction and the name of the builder. Drawing is a horizontal beam that takes over the load on the wall or ceiling.