is made of hot-rolled sheet of GOST 19903-2015 on a sheet bender. It has a U or U-shaped shape. It is placed in the manure channel for its long-term operation. It can be ordered in multiples of 1.25 m. The size of the style according to the shape of the manure channel (for example: 100*300*100, 150*300*150, 150*320*150).