piscine hors sol Phase 1l - Outdoor pool 1 part

piscine hors sol 3, 50 m de diametre 1,32m de hauteur. structure acier, liner 45/100 avec filtration.premier phase le nivellement du terrain.
outdoor pool have a diameter of 3,5m ,with 1,32m high. in steel, the liner is 45/100 with a filter system. the first part is leveling the ground