What is the definition of Industrial Hygiene according to the American Industrial Hygienist Association (A.I.H.A.)? I- Industrial Hygiene is a non...

What is the definition of Industrial Hygiene according to the American Industrial Hygienist Association (A.I.H.A.)?

I- Industrial Hygiene is a non-medical prevention technique that acts against environmental contaminants derived from work, in order to prevent occupational diseases of individuals exposed to them.
II- Industrial Hygiene is a science and art dedicated to the recognition, evaluation, and control of environmental factors or stresses emanating from or caused by the workplace that can cause illness, destroy health and well-being, or create significant discomfort among workers or citizens of a community.
III- Industrial Hygiene is a technique that acts on the environmental contaminants derived from work, in order to cure occupational diseases of individuals exposed to them.
a) Only I is correct.
b) Only II is correct.
c) Only III is correct.
d) I and II are correct.
e) II and III are correct.