‘Safety officers’ have to be appointed in factories where no. of workers is more than: (A) 500, (B) 1000, (C) 2000, (D) 5000
Answer is B. Health, Safety and Welfare recommendations:

A minimum of 500 cubic feet space per worker
1 Safety Officer per 1000 workers
1 Welfare Officer per 500 workers
1 Canteen for greater than 250 workers
1 Crèche for greater than 30 women workers