[ Electric generators; fuel-dispensing pumps for service stations; ] apparatus and machines for the production [ , distribution or storage ] of solid [ or] gaseous hydrogen; [ component parts of a generator or machine for the storage of hydrogen; power production installations and equipment, namely, machines; systems and subsystems for the production or storage of energy, especially in the form of hydrogen, namely, machines; ] cutters, namely, machines; gas welding and soldering apparatus and...