Severity: Notice
Message: Only variable references should be returned by reference
Filename: core/Common.php
Line Number: 257
CODE: 03.15.••.01
1. Central hub 2. Cylinder 3. Piston 4. Clutch ring 5. Friction lining 6. Spring clamp 7. Spring 8. Seal ring 9. Transmission sleeve 10. Piston bearing