Which of the following is not part of the OSHA training requirements for construction workers?

A. Employers must teach employees to recognize and avoid unsafe conditions.
B. Employers must train employees required to handle or use poisons to handle and use them safely.
C. Employers must teach employees required to handle or use flammable liquids how to safely handle and use them.
D. Employers must teach employees how to clock in and clock out for payment purposes.