C49 Who doesn't know the king

Just as they wanted to advise Wei Fan to be more careful, the hole he made in the rock surface was slowly removed, but Wei Fan kept moving, why was he suddenly waving the stone cutting machine? Before long, the size of the rock was reduced by a lot.

At this point, Wei Fan did not need them to remind him, he took the grinder and started to grind slowly.

Seeing Wei Fan's steady movements