Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Tennis ball
|
| gptkbp:color |
Optic yellow
|
| gptkbp:coveredBy |
gptkb:Felt
|
| gptkbp:diameter |
6.54–6.86 cm
|
| https://www.w3.org/2000/01/rdf-schema#label |
Tournament tennis ball
|
| gptkbp:material |
Rubber
|
| gptkbp:minimumPressure |
12 psi
|
| gptkbp:standardizedBy |
gptkb:International_Tennis_Federation
|
| gptkbp:usedIn |
gptkb:Grand_Slam_tournaments
Professional tennis tournaments |
| gptkbp:weight |
56.0–59.4 g
|
| gptkbp:bfsParent |
gptkb:Tretorn
|
| gptkbp:bfsLayer |
7
|