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The steps on takes to charge by Electrophorous repeatively
What is 1) charge piece of insulation by rubbing with rabbit fur once 2) set neutral aluminum pie pan on insulation while holding the styrofoam cup taped to the center of it 3) touch the pie pan to remove electrons 4) pick up pie pan by insulating styrofoam cup 5) touch pie pan again to add electrons back, neutralizing the pan again 6) repeat steps 2-5 as often as you wish