The final step is optional, depending on how good a diamond finish you need. Start by folding a piece of facial tissue into a square - six or 11 layers thick - impregnate it with number three yellow diamond compound, lubricate it with denatured alcohol and gently rub out any buff marks remaining. Be careful to use only two- to three-inch strokes by hand, so as not to cause scratches in the finish. Clean everything with mineral spirits first, then again with alcohol and you're finished.             

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