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 85 Electrical machinery and equipment and parts thereof; sound recorders and pars and acces 85 06 Primary cells and primary batteries Commodity Code Description 85 06 10 - Manganese dioxide 85 06 30 - Mercuric oxide 85 06 40 - Silver oxide 85 06 50 - Lithium 85 06 60 - Air-zinc 85 06 80 - Other primary cells and primary batteries. 85 06 90 - Parts