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INVENTORIES (Tables)
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventories consist of the following components as of September 30, 2021 and December 31, 2020:

September 30, 2021December 31, 2020
(unaudited)
Waste coal$304,202 $342,476 
Fuel oil49,508 33,243 
Limestone13,891 21,173 
TOTALS$367,601 $396,892