What does a piping system encompass from the point of delivery?

The correct answer encompasses a comprehensive understanding of what constitutes a piping system in the context of LP-gas operations. A piping system from the point of delivery includes all the necessary components that facilitate the safe and efficient transport of LP-gas to its designated use point.

This includes piping, which serves as the main conduit for the gas, and valves, which are critical for controlling the flow of gas and ensuring safety through shut-off capabilities. Fittings are also essential as they connect different sections of piping and allow for changes in direction or branching of the piping system. Collectively, these elements ensure a well-functioning and safe system for gas delivery, making this option the most accurate representation of what a piping system encompasses.

Other choices do not capture the full scope of a piping system. For instance, the options that focus only on gauges, meters, or regulators miss important aspects like piping and valves. While gauges and meters are important for monitoring flow and pressure, they do not form an integral part of the structural system that delivers LP-gas. Therefore, the inclusion of piping, valves, and fittings presents the most accurate and complete definition of a piping system from the point of delivery.