👉 Treadboard is a type of machine or device that is used to help someone walk on uneven, rough surfaces. It has three or four wheels that are mounted on a frame and have a low center of gravity. The wheels are designed to roll smoothly along the surface without slipping, allowing the person to move forward with ease. Treadboards are commonly found in construction, agriculture, and other industries where people need to walk over uneven terrain. They can be used to transport goods, tools, or
