soil, water, and the cotton gin.
You would not capitalize it. cotton gin
The cotton gin
I hung my cotton shirt up in the wardrobe.
The steamboat -
cotton gin
The cotton gin is a machine that separates cotton seeds from cotton fiber. Invented by Eli Whitney in 1793, it was an important invention because it dramatically reduced the amount of time it took to separate cotton seeds from cotton fiber.
the cotton gin
The cotton gin
the locomotive
It was called the cotton gin because it separated seeds from the cotton, so that is how the invention got is name.
cotton gin timeline