What characterizes a container of compressed gases?

A container of compressed gases is specifically designed to maintain gases under pressure that exceeds one atmosphere at a standard temperature of 68°F (20°C). This is crucial because gases occupy more space when compressed, and such containers are engineered to safely hold and manage the potential hazards associated with high-pressure contents. The materials and construction of these containers must withstand the internal pressures to prevent rupture or leakage, ensuring safety during handling and usage.

This definition aligns with the specifics of what makes a vessel suitable for storing compressed gases, as opposed to options that either describe atmospheric conditions or inadequate pressure ratings. A container that can only handle atmospheric pressure, lacks pressure ratings, or is designated solely for storage does not meet the criteria for safely storing compressed gases.