The technical background of ball storage With the continuous improvement of living standards, the positive effect of sports on people's health is becoming more and more obvious. The school's physical education courses are an important part of physical exercise for students, and they are also loved by students. Among them, ball games are favored by many people. However, since the balls (such as basketball, football, volleyball) are easy to roll around on the court, which affects the normal training or competition on the sports field, the storage of the balls is very important. The traditional ball storage cart is very bulky, and it is very difficult for primary and secondary school students to push it. At the same time, the newly purchased balls are mixed with the old balls for storage. In the process of transportation and use, the surface of the newly purchased balls is easily worn and affected. User experience; at the same time, the existing ball storage cart usually stacks a large number of balls, and users need to spend time to bend over, select, and put back after use, when they need to use Repeating the steps of bending and selecting adds additional labor burden and time cost
