7 Generator; DC generators; Electrostatic generators; electricity generators; Hydroelectric generators.
28 Scale model vehicles; sporting articles and equipment, in particular for use on or in water.
37 Maintenance and repair of parts and fittings for boats and yachts; vehicle service, repair and refuelling.
12 Boats and yachts and parts and accessories, namely spare parts thereof included in this class; apparatus for locomotion by water; Hydrofoil boats and yachts; Superyachts; Hydrogen powered boats and yachts.