Complex sentence: Lasts, used extensively in the making of footwear, are forms that are made to varying degrees in the shape of the human foot, depending on their specific purpose, and come in many styles and sizes depending on the exact job they are designed for.
Split into simpler sentences: Lasts, used extensively in the making of footwear, are forms that are made to varying degrees in the shape of the human foot, depending on their specific purpose. They come in many styles and sizes, depending on the exact job they are designed for.