Geek Trivia: Prior To The Advent Of Erasers, People Removed Pencil Marks With?

Prior To The Advent Of Erasers, People Removed Pencil Marks With? |
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Think you know the answer? |
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via: howtogeek.com

Prior To The Advent Of Erasers, People Removed Pencil Marks With? |
|
Think you know the answer? |
|
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