Which of the following is an obligation of the employer is as mentioned in the factories act?

A. Provide all benefits and facilities to the workers regarding annual leave, weekly holidays, and extra wages for overtime, washing, first aid, canteens, crèches, rest and lunch rooms.

B. Applicable to all workers

C. To prevent hazard growth of factories through the provisions related to the approval of plans before the creation of a factory.

D. To ensure adequate safety measures and to promote the health and welfare of the workers employed in factories.