Fully Automatic Durable Small Scale Sand Brick Making Machine

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How to repair scratches in black onyx.Pour a small amount of polish or rubbing compound directly onto the damaged spot.Rub the buffing pad over the polish in a circular motion, pressing hard enough to spread the polishrubbing compound around.Rub the area for 30 to 45 seconds, then wipe away the polish with a clean towel.

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