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 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof. 84 30 Other moving, grading, levelling, scraping, excavating, tamping, compacting, extracting or boring machinery, for earth, minerals or ores; pile-drivers and pile-extractors; snow-ploughs and snow-blowers. Commodity Code Description 84 30 10 Pile-drivers and pile-extractors 84 30 20 Snow-ploughs and snow-blowers 84 30 31 Self-propelled coal or rock cutters and tunnelling machinery 84 30 39 Coal or rock cutters and tunnelling machinery (excl. self-propelled) 84 30 41 Self-propelled boring or sinking machinery 84 30 49 Boring or sinking machinery (excl. self-propelled) 84 30 50 Self-propelled earth moving, grading, excvating... machinery, nes 84 30 61 Tamping or compacting machinery, not self-propelled 84 30 69 Earth moving, excavating, extracting... machinery, not self-propelled