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If the cut is parallel to the long dimension, then each piece is 40 inches long, but its width is 1/2 of the original board's width. If the cut is parallel to the short dimension, then the width is preserved, and each piece is 20 inches long. If the cut is parallel to to the flat, then each piece is 40 inches long and has the original width, but is only 1/2 the thickness of the original board.
"Floorboards" are tongue and grooved wooden planks that are used to make wooden floors.
Maine is the state that made the most wooden toothpicks
One possible way to separate wooden marbles from glass marbles is by using a magnetic field. Since wooden marbles are typically not magnetic, while glass marbles are also not magnetic, one can use a strong magnet to attract and separate the wooden marbles from the glass marbles. The magnet will attract the wooden marbles while the glass marbles will remain unaffected and can be easily sorted out.