Karl's modeling interests include the Western Maryland Railway and the Maryland Midland. His modules capture the feel of small-town Maryland towns like his hometown of Westminster. Karl, who's full-time gig is as an automotive service advisor, has discovered the secret of RailZip - it bears a striking similarity to common "ATF-III" transmission fluid. After a bit of testing, Karl's found that ATF-III is an excellent conductive cleaner-lubricant.
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Karl demonstrates the ATF method of locomotive maintenance
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