The only part remotely special is an off-the-shelf probe tip. During the electrical hookup, you may notice the use of a self-fluxing verowire pen, which was something this scribe didn’t know ...
He got the idea to use one of the special tungsten carbide tipped dental burrs as a probe tip. The tips of these ... As a safety bonus, the shape of the tool means it does not easily penetrate ...
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