- Remove overburden and keep it other side for filling gaps and cavities.
- Excavate desired Bentonite from mine walls and dump it into the tractor trolleys.
- Spread the Bentonite material on open air plot for drying.
- During this drying period plough the Bentonite lumps (material) by using appropriate tractor cutter and make it uniform in size.
- During ploughing and drying process, labors sort impurities manually.
- After drying, ploughing and sorting the impurities, leave it for chemical process.