Bob McGraw K4TAX
rmcgraw at blomand.net
Wed Jan 1 12:39:35 EST 2020
Shucks, pull all of them, put them in your ultrasonic parts cleaner and
be done with it. Oh, you do have an ultrasonic parts cleaner don't
you? You know, the one that's used to clean your dentures. Those
things are great! Not your dentures, however.
On 1/1/2020 11:38 AM, Ralph wrote:
> Hi Rick,
> I use a soft bristle tooth brush and pull the brush through the
> grooves on the knobs.
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