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CW0417 - Smart phone feature - Hero 1
CW0417 - Smart phone feature - Hero 2
CW0417 - Smart phone feature - Boys pan for gold in DR Congo
CW0417 - Smart phone feature - Tantalum mining DR Congo
CW0417 - Smart phone feature - Smelting of metals
CW0417 - Smart phone feature - Pure gold & silver grains
CW0417 - Smart phone feature - Circuit boards for recycling
CW0417 - Smart phone feature - Smart phone for recycling