Explanation:

- Article 19: This deals with the protection of certain rights regarding freedom of speech, etc. It does not relate to child labor or employment.

- Article 21: It guarantees the right to life and personal liberty. It does not specifically address child labor.

- Article 23: Prohibits traffic in human beings and forced labor, but does not specifically mention the employment of children in hazardous jobs.

- Article 24: Prohibits the employment of children below the age of 14 years in any factory, mine, or hazardous employment. It's meant to protect children from exploitation in unsafe work environments.