The Combined Nomenclature (CN), v1:2020
8515: Electric, incl. electrically heated gas, laser or other light or photon beam, ultrasonic, electron beam, magnetic pulse or plasma arc soldering,
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=9c320fe0-a022-4f6f-9b66-776ab8be79ca