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 reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles 85 06 Primary cells and primary batteries 85 06 40 Silver oxide 85 06 40 00 Silver oxide Commodity Code Description 85 06 40 00 000 Silver oxide