Which of the following is not required under the regulation to be included in an occupational health and safety program?

a. A high intake of carotenoid-containing foods has been associated with a reduced risk of all of the following except one.
b. Which of the following statements are true about the Ontario health card as a form of age identification?
c. Below circuit shows a CG-stage amplifier operating at 2.4GHz with tapped-capacitor matching network.
d. Determine the displacement of end a with respect to end b when the joint is subjected to the axial loads shown.