Unit 5: Lesson 3: Uses of Springs

Many things in our daily life use springs

For examples:

Spring on our motorcycle or bicycle absorbing shock, and let us sit more comfort.

 Spring on the clip helps to hold the hair tightly.

The spring on the battery holder connects the battery to the circuit.

The spring in the stapler holds the staples thight in its carrier.

The spring at the cutter keeps the cutter open easily.

Can you state more item that uses spring that found in our daily life ?