Which of the following is NOT a component of a medical gas system?

A medical gas system typically consists of components that ensure the safe storage, distribution, and monitoring of gases used for patient care. Gas cylinders are essential as they store the gases under pressure; manifolds serve to connect multiple gas cylinders or regulate the flow of gases to medical equipment; and alarm systems are critical for monitoring pressure levels and detecting potential leaks or hazards within the system.

Automated teller machines do not play any role in the medical gas system. They are financial transaction devices unrelated to the handling or distribution of medical gases and thus fall outside the scope of what constitutes a medical gas system. Understanding this distinction is key for anyone working with or supervising medical gas installations.