40 Electrochemical treatment; production of renewable green energy; generation of gas and electricity; treatment of materials, semi-finished and finished products by applying electric current; treatment of materials, semi-finished and finished products by means of cyclic voltammetry; treatment of materials, semi-finished and finished products by electrolysis; treatment of materials, semi-finished and finished products by cathodisation; treatment of materials, semi-finished and finished products by electro-oxidation; treatment of materials to manufacture catalysts; treatment of materials to manufacture electrodes; treatment of materials to manufacture catalysts and electrodes from metals, including stainless steel, nickel and similar alloys; treatment of electrodes via electromechanical processes; gas processing services; generation of gas and electricity; generation of hydrogen; electrochemical treatment; water treatment and purification; regeneration of water; waste treatment by electrolysis; information, advisory and consultancy services in relation to all of the aforementioned services