| Teletherapy unites (cobalt units) |  |  |  | 
          
                  | Thickness gauges |  |  |  | 
          
                  | Thorium ores and concentrates |  |  |  | 
          
                  | Three-dimensional printers |  |  |  | 
          
                  | Triethanolamine hydrochloride |  |  |  | 
          
                  | Triisopropyl phosphate |  |  |  | 
          
                  | Tritium targets used for neutrons production |  |  |  | 
          
                  | Uranium or thorium ores and concentrates |  |  |  | 
          
                  | Uranium ores and concentrates |  |  |  | 
          
                  | Uranium-rich element uranium (U-235) and its compounds, plutonium and its compounds, alloys, dispersions (including metal-ceramic composites cermets), ceramic products and mixtures containing rich uranium enrichment element (U-235) or plutonium or compounds of these products |  |  |  |