1. Give the expression of the need that is satisfied by the product.

2. Create a sentence to explain the main function of the system.

3. Complete the energy Chain.

4. By using the vocabulary given here, fill in the blank :

Highest blade - Lowest blade - Pinion - Conic pinion - Conic Wheel - Trigger  - Motor                                               

5. Explain how the Pruning Shears works.

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