table-tennis
Topic | Replies | Views | Activity | |
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A regulation table tennis ball has a mass of 2.7g and is 40mm in diameter | 0 | 9077 | March 27, 2018 |
Topic | Replies | Views | Activity | |
---|---|---|---|---|
A regulation table tennis ball has a mass of 2.7g and is 40mm in diameter | 0 | 9077 | March 27, 2018 |