Complex consists of 8 vertical columns with the height of 550 mm – 2 pcs, 1200 mm – 2 pcs, 1500 mm – 4 pcs, and 3 sets of benches. The length of each bench is 1650 mm. Benches are fixed to columns, using crossbars at different heights: 500, 950 and 1400 mm. Crossbar fittings are put into effect with collars.