2.16. "Tread" means that part of a tyre which comes into contact with the ground; [2] a7c0
2.13. "Tread" means that part of a[DEL] tyre which comes into contact with the ground; [2] a4c0
2.10. "Tread" means that part of a pneumatic tyre which comes into contact with the ground; [2] a3c0
2.8. "Tread" means that part of a pneumatic tyre which comes into contact with the ground; [2] a0c0