What is generally true about high pressure gas systems?

High pressure gas systems must have additional shut-off methods to ensure safety. These systems operate at elevated pressures, which can pose significant risks in the event of leaks or failures. Therefore, incorporating extra shut-off mechanisms is crucial for controlling the flow of gas and preventing hazardous situations. This redundancy helps to safeguard both personnel and property, as it ensures that gas can be quickly and effectively shut off if necessary.

Regular inspections and supervision are also critical for maintaining the integrity of high pressure systems, which involves continuous monitoring and maintenance to comply with safety regulations and standards. Options suggesting that these systems don't require supervision or regular inspections overlook the inherent dangers associated with managing high-pressure gases. Additionally, the operations of such systems may be complex due to the technical considerations regarding pressure regulation, equipment specifications, and safety protocols, making them not simpler to operate.