alloys dispersions ceramic products mixtures containing natural uranium or natural uranium compounds alloys dispersions ceramic products mixtures containing uranium enriched in u235 plutonium or compounds of these products alloys dispersions ceramic products mixtures containing uranium enriched in u235 thorium or compounds of these products alloys dispersions ceramic products mixtures of radioactive elements isotopes compounds alpha beta or gamma radiation apparatus for medical surgical dental or veterinary uses alpha beta or gamma radiation apparatus for other uses antimony ores concentrates commercial microwave ovens computed tomography apparatus based on x-rays die attach apparatus tape automated wire bonders encapsulation equipment for assembly of semiconductors or automated machines for transport handling storage of semiconductor wafers wafer or other materials for semiconductor devices incorporated with ultrasound or class 3b or 4 laser electric soldering irons guns incorporated with ultrasound or class 3b or 4 laser electronic instruments appliances used in medical surgical or veterinary incorporated with ultrasound or class 3b or 4 laser granulated slag from manufacture of iron or steel ilmenite ore concentrates industrial microwave oven industrial ultrasonic cleaning equipment ion implanters for doping semiconductor materials laser class 3b or 4 cutters for cutting contacting tracks in semiconductor production by laser class 3b or 4 beam laser for entertainment or for display purposes levels incorporated with ultrasound or class 3b or 4 laser lightning arresters for a voltage not over 1kv lightning arresters voltage limiters surge suppressors for a voltage over 1kv linear accelerators neutron generator cyclotron particle accelerators machine tools for working any material by removal of material operated by laser class 3b or 4 other light or photon beam processes machine tools for working any material by removal of material operated by ultrasonic processes machines for working any material by removing material operated by laser class 3b or 4 other than light or photon beam processes in production of semiconductor wafers magnetic resonance imaging apparatus molybdenum ores concentrates roasted natural uranium its compounds niobium tantalum vanadium ores concentrates other dental instruments appliances incorporated with ultrasound other electric brazing or soldering machines apparatus incorporated with ultrasound or class 3b or 4 laser or electron beam other electric welding or hot spraying of metals or cermets machines apparatus incorporated with ultrasound or class 3b or 4 laser or electron beam other electro-diagnostic apparatus other equipment for developing exposed wafers for the manufacture of semiconductor devices or of electronic integrated circuit incorporated with ultrasound or class 3b or 4 laser other etching stripping equipment for the manufacture of semiconductor devices or of electronic integrated circuit incorporated with ultrasound or class 3b or 4 laser other instruments apparatus using optical radiations electrically operated other instruments appliances machines for measuring or checking incorporated with ultrasound other instruments or apparatus for measuring or checking flow or level of liquids electrically operated incorporated with ultrasound other lithography equipment for the manufacture of semiconductor devices or of electronic integrated circuit incorporated with ultrasound or class 3b or 4 laser other machine tools for working any material by removing it by electron beam other machines apparatus for the manufacture of semiconductor devices or of electronic integrated circuit incorporated with ultrasound or class 3b or 4 laser other machines apparatus for ultrasonic welding and other welding machine with class 3b or 4 laser other molybdenum ores concentrates other ores concentrates other precious metal ores concentrates other rangefinders not used in photography cinematography incorporated with ultrasound or class 3b or 4 laser other titanium ores concentrates other x-ray apparatus for dental uses other x-ray apparatus for medical surgical or veterinary uses ozone oxygen aerosol therapy artificial respiration or other therapeutic respiration apparatus incorporated with ultrasound parts accessories of xray apparatus for the physical inspection of solder joints on pca radioactive elements isotopes compounds residues excl of radium radium its salts rangefinders used in photography cinematography incorporated with ultrasound or class 3b or 4 laser scintigraphic apparatus incorporating radioactive materials silver ores concentrates slag dross scalings waste from the manufacture of iron or steel smoke detectors electrically operated smoke detectors non-electrically operated spent fuel elements of nuclear reactors thorium ores concentrates ultrasonic scanning apparatus ultraviolet or infrared ray apparatus uranium ores concentrates uranium u235 depleted its compounds thorium its compounds uranium u235 enriched its compounds plutonium its compounds x-ray apparatus for other uses x-ray apparatus for the physical inspection of solder joints on printed circuit or wiring board assemblies x-ray tubes zirconium ores concentrates