WD-40 and automatic transmission fluid make pretty decent coolants.


Quoting "William \"Chops\" Westfield" <westfw@mac.com>:

>
> On Feb 11, 2011, at 10:38 AM, Walter Banks wrote:
>
>> Alcohol is a good coolant because of its low boiling point.
>
> Alcohol would make me very nervous, given the sparks I see the average
> drill motor make.
>
> BillW
>
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