The first project of its kind in the world and one of the most complex projects in the State of Israel and the world, construction of an underground barrier using hydraulic equipment, the project is an underground barrier against tunnels along the Gaza Strip border. The largest wall work in the world to this day. The work is done by 5 hydromial machines that work 24 hours a day except Saturdays. 700,000 cubic meters of deep-walled walls for 15 kilometers