Question

43. In which year, The New York State Commission on Ventilation' includ
low air circulation is not necessary for mental work as well ?
(A) 1913
(B) 1950
(C) 1923
(D) 1910
इनमें से कौन-से वर्ष में 'द न्यूयॉर्क स्टेट कमीशन ऑन वेण्टीलेशन' ने शामिल किया​

Answer 1

Answer:

1923

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