The backplate, a plate, normally comprised of stainless-steel, from time to time aluminium or carbon fibre composite, that's held in opposition to the diver's back by the harness, also to which the diver's Main cylinder or cylinders are connected. Aracın teknik olarak 200 metreye kadar basınca dayanma özelliği bulunduğunu anlatan https://www.metooo.io/u/68270a6abd7ecb09052f6c3b