Which one of the following statements is true under the provisions of the Factories Act, 1948

(A) For the purpose of cleanliness, the office of the factory must be kept clean and free from effluvia arising from any drain or nuisance

(B) Where the work carried on in the factory generates excessively high temperature, such process should be separated from the work room

(C) Artificial humidification is required for carrying out every type of manufacturing process

(D) Sufficient number of spittoons situated at convenient places is a mandatory condition where more than 1,000 workers are ordinarily employed in a factory.