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Across 5. The tyre is the Primary___________ unit on a car 7. What happens if the tyre pressures are not correct 10. Another name for a rubber tye 12. When the mass(weight) is evenly distributed around a wheel and tyre. 13. The common type of tyre fitted to a modern car 16. A type of wheel that keeps the tyre on even when a puncture occurrs 17. A type of wheel used on older sports cars

Down 1. 1.6mm is the ____________ tread depth on a car tyre. 2. The measurement of how tight a wheel nut is 3. A lack of Dynamic balance causes this to happen to the car 4. The part of the tyre that touches the road. 6. Tyres must cope with acceleration and________ forces. 8. The shape on one end of a wheel nut 9. A tyre made from ply'slaid out in straight lines 11. Tread depth_________________ 12. The name of the air valve in on a wheel and tyre 14. The steel reinforced section of a tyre 15. what the balance weights are made from