A ginning machine is a device used to separate cotton fibers from their seeds. This process, known as ginning, is essential in the cotton industry as it prepares the raw cotton for further processing. The machine works by using a series of rotating saws and brushes to efficiently remove the seeds while preserving the quality of the cotton fibers. Ginning machines come in various types, including roller gins and saw gins, each designed for specific cotton varieties. The invention of the ginning machine, particularly the cotton gin by Eli Whitney in 1793, revolutionized cotton production, making it faster and more efficient.