What must stowage containers for immersion suits not be capable of?

The key to understanding this question lies in the functional requirements for stowage containers for immersion suits. These containers must ensure that the suits are readily accessible in an emergency situation, as immersion suits are crucial for survival in cold water environments.

If the stowage containers are capable of being locked, it could prevent quick access to the immersion suits when they are needed most. In emergencies, every second counts, and any delay in accessing life-saving equipment could be disastrous. Therefore, the design and functionality of the stowage containers prioritize ensuring that immersion suits remain immediately accessible rather than secured away from users.

Being water-resistant is important for protecting the immersion suits from moisture and maintaining their effectiveness, while restricting access completely would contradict the purpose of the immersion suit, which needs to be available at all times. The ability to use the containers for other equipment doesn't directly affect the primary concern of accessibility for the immersion suits, but the main focus remains on easy and prompt access.