Geek Trivia: The Pencil Grading Scale (Which Labels Pencils #1-4) Was Invented By?

The Pencil Grading Scale (Which Labels Pencils #1-4) Was Invented By? Benjamin Franklin Henry David Thoreau Mark Twain Andrew JohnsonThink you know the answer?

خرید وی پی ان آنتی فیلترآنتی فیلتر