1. Test the following hardware: thermal printer, label printer, cash drawer, and weighing machine. 2. Verify payment methods in the staging environment. 3. Review the point of sale (POS) system. Please review the following tasks to be checked in the production environment: 1. Manage labor resources. 2. Define user roles. 3. Organize product categories. 4. List product subcategories. 5. Inventory products. 6. Classify asset categories. 7.. Document assets. 8. Establish service categories. 9. Resolve the "failed to fetch data" issue for services in production during testing in the staging environment.