Each link takes you to a step-by-step description of the products you’ll need and how to remove that specific stain from washable fabrics, dry-clean-only fabrics, as well as carpet and upholstery. While many stains are treated the same way, others require special steps, or they can become permanent. Treating stains on upholstery and carpet takes a bit more skill than just tossing a shirt in the washer. Not sure what caused the stain? There are ways to identify mystery stains and get you started. Take a few seconds and treat the stain-making culprit the right way to make sure that you’ll wear your favorite shirt another day. To help you take care of stains, here’s a comprehensive list of stain makers from A to Z.