| Chapter Code | Chapter Description |
|---|
| 261220 | THORIUM ORES AND CONCENTRATES |
| 261510 | ZIRCONIUM ORES AND CONCENTRATES |
| 261610 | SILVER ORES AND CONCENTRATES |
| 261710 | ANTIMONY ORES AND CONCENTRATES |
| 261800 | GRANULATED SLAG (SLAG SAND) FROM THE MANUFACTURE OF IRON OR STEEL |
| 262011 | CONTAINING MAINLY ZINC : HARD ZINC SPELTER |
| 251690 | OTHER MONUMENTAL OR BUILDING STONE |
| 251710 | PEBBLES, GRAVEL, BROKEN OR CRUSHED STONE, OF A KIND COMMONLY USED FOR CONCRETE AGGREGATES, FOR ROAD METALLING OR FOR RAILWAY OR OTHER BALLAST, SHINGLE AND FLINT, WHETHER OR NOT HEAT-TREATED |