Sub Headings of 2849
| 2849.10.00.00 | Of calcium |
| 2849.20.10.00 | Crude |
| 2849.20.20.00 | In grains, or ground, pulverized or refined |
| 2849.90.10.00 | Of boron |
| 2849.90.20.00 | Of chromium |
| 2849.90.30.00 | Of tungsten |
| 2849.90.50.00 | Other |
| 2849.10.00.00 | Of calcium |
| 2849.20.10.00 | Crude |
| 2849.20.20.00 | In grains, or ground, pulverized or refined |
| 2849.90.10.00 | Of boron |
| 2849.90.20.00 | Of chromium |
| 2849.90.30.00 | Of tungsten |
| 2849.90.50.00 | Other |