How to deal with the deformation of window sliding supports

Replace the sliding strut. The sliding bearing of casement window is mainly stressed by the lower sliding bearing. If it is deformed or broken after a long time, just replace the lower sliding supports. In architecture, a window refers to an opening built on a wall or roof to let light or air into a room. During the Sui Dynasty in China, there were windows that could be opened and closed automatically in the Guan Wen Hall of Wei Zicheng in Luoyang Palace.