GAP-FILL: TECHNICAL TERMS

Word Box: Prototype | Friction | Axle | Traction | Sedentary
1. The connects two wheels together[cite: 1].
2. Ball bearings are used to reduce [cite: 1].
3. A is the first working model of a design[cite: 1].
4. Tires require good to grip the road[cite: 1].
5. Neolithic groups transitioned to a lifestyle[cite: 1].