rectangular tank made of fiberglass material

The importance of using a marble drill bit lies in its ability to prevent chipping and cracking, which can significantly degrade the marble's appearance and structural integrity. The unique geometry of these bits, often with a conical or cylindrical shape, allows them to gradually penetrate the stone without exerting excessive pressure on any one point. This gradual process reduces the risk of stress fractures and ensures a clean hole.

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The drilling process itself involves a technique known as 'circulation.' A drilling fluid, commonly referred to as 'mud,' is continuously pumped down the drill string, through the bit, and back up the annulus between the drill string and the walls of the hole. This fluid serves multiple purposes it cools and lubricates the bit, carries cuttings to the surface, stabilizes the borehole, and provides hydrostatic pressure to prevent underground fluids from entering.

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