"Ah-- yes. It's a good idea. Do you-- need me to hold up the bucket for you?"

That seems a risky proposition-- water, electricity, moving parts-- but then the drillbit breaking also sounds unwise. "Friction does make heat, I suppose; a very fast stone-drill must generate some heat, and the metal is thin."

Still. Water. Electricity. Joly's glad Lesgle didn't volunteer to join this part of the project.