A9 (2 marks) A company updates their safety procedures to include social distancing in the workplace. The procedures have the intent of reducing the risk of COV-19 infection. Signs reminding staff that they should keep 1.5 metres from each other are placed in meeting areas. Which of the following statements is TRUE? Select one: W O a. The signs are object controls. O b. The signs are part of a system of control. O c. The signs are an act control. O d. None of the above