| section 16 | Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles |
| chapter 84 | Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof |
| 84.02 | Steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers: |
| －Steam or other vapour generating boilers: |
| 8402.12 | －－Watertube boilers with a steam production not exceeding 45 t per hour |