CBSE BOARD X, asked by Princekhufiy, 1 year ago

what is opening cast mining?

Answers

Answered by susmitapal496
3
heeyee mate here is ur answer

OPENING CAST MINING....

Open-pit, open-cast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow. 

hope this will help you... Buddy

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