Smart roller is an automated machine that can be used in manufacturing processes. It is able to connect with various machines and equipment to monitor and optimize the production process. smart roller can also be used to monitor the quality of manufactured products and identify potential problems.

The motorized roller is a small, hand-held device that is used to massage the muscles. It is often used by physical therapists and chiropractors to help relieve muscle pain and stiffness. What are the characteristics of motorized roller?What is the main structure of the motorized roller?