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Environmental decision making on acid mine drainage issues in south africa an argument for the precautionary principle.Morodi tj1, mpofu c2.Author information 1tshwane university of technology, pretoria, south africa.2auckland university of technology, p.Bag 92006, auckland, new zealand.Charlesmpofuhotmail.
We are an innovative enterprise integrating R & D, production, sales and after-sales service. We have more than 60 years of experience in the field of crushing, beneficiation, sand making and building materials. We serve customers in more than 160 countries around the world.