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A professional thread tap(3in1)_That maybe no one has ever seen before(don't forget to like)
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Changing the Most Unattractive Part of This Lathe
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Изготовление шестерни. Придумал интересный способ.
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Çok para tasarrufu! Tornacıların vazgeçemeyeceği ev yapımı aletler
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Precise cutting of metals
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How to make high-quality hand thread tap(don't forget the like)
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