| 9018.41 | 000 | Dental drill engines, whether or not combined on a single base with other dental equipment |
| 90.21 | | Orthopaedic appliances, including crutches, surgical belts and trusses; splints and other fracture appliances; artificial parts of the body; hearing aids and other appliances which are worn or carried, or implanted in the body, to compensate for a defect or disability |
| 90.22 | | Apparatus based on the use of X-rays or of alpha, beta or gamma radiations, whether or not for medical, surgical, dental or veterinary uses, including radiography or radiotherapy apparatus, X-ray tubes and other X-ray generators, high tension generators, control panels and desks, screens, examination or treatment tables, chairs and the like |
| 90.22 | | Apparatus based on the use of X-rays, whether or not for medical, surgical, dental or veterinary uses, including radiography or radiotherapy apparatus |
| 9022.19 | | Apparatus based on the use of alpha, beta or gamma radiations, whether or not for medical, surgical, dental or veterinary uses, including radiography or radiotherapy apparatus |
| 90.24 | | Machines and appliances for testing the hardness, strength, compressibility, elasticity or other mechanical properties of materials (for example, metals, wood, textiles, paper, plastics) |
| 90.25 | | Thermometers and pyrometers, not combined with other instruments |
| 90.26 | | Instruments and apparatus for measuring or checking the flow, level, pressure or other variables of liquids or gases (for example, flow meters, level gauges, manometers, heat meters), excluding instruments and apparatus of heading 90.14, 90.15, 90.28 or 90.32 |
| 9026.10 | 000 | For measuring or checking the flow or level of liquids |
| 9030.20 | | Other instruments and apparatus, for measuring or checking voltage, current, resistance or power |
| 9030.31 | 000 | Multimeters without a recording device |
| 9030.32 | 000 | Multimeters with a recording device |
| 9030.33 | | Other, without a recording device |
| 9030.39 | 000 | Other, with a recording device |
| 9030.82 | | For measuring or checking semiconductor wafers or devices |
| 9030.84 | 000 | Other, with a recording device |
| 90.31 | | Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors |
| 9031.41 | 000 | For inspecting semiconductor wafers or devices or for inspecting photomasks or reticles used in manufacturing semiconductor devices |
| 9033.00 | 000 | Parts and accessories (not specified or included elsewhere in this Chapter) for machines, appliances, instruments or apparatus of Chapter 90 |
| 91.01 | | Wrist-watches, pocket-watches and other watches, including stop-watches, with case of precious metal or of metal clad with precious metal |
| 91.01 | | Wrist-watches, electrically operated, whether or not incorporating a stop-watch facility |
| 9101.11 | 000 | With mechanical display only |
| 9101.19 | | Other wrist-watches, whether or not incorporating a stop-watch facility |