Rand Refinery Introduction: Located in Johannesburg, it is the largest gold processing plant in the world today. The factory occupies a very large area, and the interior is composed of many Dutch-style buildings. There is an electric shoe polisher at Shimenkou, which can suck up any metal dust stuck to the soles of shoes. The machines and furnaces in the factory are wiped every few minutes, and the floors are constantly swept so that no gold particles are wasted. .

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