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 Mine surface complexes 
  
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 Construction of mine surface complexes 
  
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general layout of the mine surface complexes;  
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infrastructure of the mine surface complexes;  
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portals and collars of underground workings;  
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pithead frames, winding towers and winding equipment;  
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electric power stations, compressor and ventilation equipment installation;  
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repairs and maintenance shops.   
  
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