Which of the following statements is true concerning the control activators, i.e., pull-handles, push-buttons or levers, for a space protected by a CO2 fixed fire extinguishing system?

Correct Answer: Option D — All of the above

Title 46 CFR mandates comprehensive safety safeguards for fixed CO2 systems, including 20-second pre-discharge alarms for occupied spaces, single controls for valveless systems, and dual-control arrangements when main distribution stop valves are installed.