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ENVIRONMENTAL LIABILITIES (Tables)
12 Months Ended
Dec. 31, 2020
ENVIRONMENTAL LIABILITIES  
Schedule of provision for environmental liabilities

 

 

 

 

 

 

    

2020

    

2019

Provision for environmental liabilities 

 

297,094

 

112,308

Current 

 

125,992

 

60,913

Non-current 

 

171,102

 

51,395