F

Metal wires (non-electrical), especially for welding and soldering; metal welding rods; metals in powder form for 3D printers; metallic capsules [containers].;

Electricity supply and distribution; supply of energy.;

Installation, maintenance and repair of power generation equipment and systems; installation, maintenance and repair of photovoltaic devices, modules and systems; laying of power grids; fueling of hydrogen gas for vehicles; recharging of batteries and accumulators; charging of electric vehicles.;

Protective gases for welding; welding fluid [welding chemicals]; hydrogen; liquid and gaseous coating agents (chemicals).;