Electric machines and devices. electric material and its parts: recording or sound reproduction devices, sound and image reproduction on television, parts and part accessories, 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof, 84.79 -machines and mechanical appliances having individual functions, not specified or included elsewhere in this chapter; parts thereof:, 84.79.8 -machines and mechanical appliances having individual functions, not specified or included elsewhere in this chapter; parts thereof: --other machines and apparatus:, Exporters, Industry and Mining, Companies