Give one important use of each of the following :
Equanil

Explanation

**Step-by-Step Solution:**

1. **Identify the Substance**: The substance in question is Equanil.

2. **Classify the Substance**: Equanil is classified as a tranquilizer. Tranquilizers are chemical compounds that help in managing mental health issues.

3. **Understand the Function of Tranquilizers**: Tranquilizers are primarily used to treat conditions such as stress, anxiety, fatigue, and various mental disorders.

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