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Changes to Step #10

Edit by Oscar Verbeek

Edit approved by Oscar Verbeek

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[* black] Pull apart the trigger and polarity switch boxes.
+[* black] With your size 3 slotted screwdriver, or the pry, pry off the lid of the polarity switch. Using this switch the current to the motor is reversed to it turns the other way.
+[* black] Interesting mechanism!