As the management of mineral resource use, the best interests of the country. Security, including creating adequate raw material needs of the industrial sector. Importance of recycling garbage or waste to extract minerals and metals extraction. include renewable energy is currently in respect. Tree recycling technology, several key technologies, such as technology, recycled gold and copper from electronic waste. The technology to recycle money from film cleaner is used, then. Base metal recycling technology from sludge waste water treatment plant with metal plating, etc.
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