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1. Choose basketball according to the venue: PVC balls are suitable for cement floors, while PU balls are suitable for

Basketball generally consists of four parts: the inner and outer parts are the inner liner, the wrapped yarn, the middle

1. Inner gallbladder* The ball used in the league is made of imported rubber, which is the same material as

There are four models of basketball, namely size 7, 6, 5, and 3. Number 7 is a standard men’s ball,

In terms of material, we cannot see the difference between the wrapped yarn and the inner lining, so the main