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How To Replace Merangue 2-Line Engineering Scientific Calculator Battery

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  • 1 × Phillips #0 Screwdriver
  • 1 × Spudger
  • 2 × Cotton Swabs
  • 1 × Distilled White Vinegar
  • 1 × Nitrile Gloves 100 Box
  • 1 × LR 1130 1.5V (2 Batteries)
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