Which group contains items with effective protective features for initiation devices?

The correct choice refers to Group F, which is specifically designated for items that possess effective protective features for initiation devices. These protective features are crucial for ensuring the safe handling, storage, and transportation of hazardous materials, particularly those that are sensitive to accidental ignition or detonation.

Initiation devices, which may include components like detonators or other explosive materials, require stringent safety measures to prevent unintended activation. Group F items are engineered to mitigate risks by incorporating safety mechanisms that can withstand environmental hazards and prevent premature initiation.

Understanding the categorization of hazardous materials is key to recognizing how each group of materials is managed based on their safety and handling requirements. Group F emphasizes the importance of protective features that help ensure both the safety of personnel involved in handling these materials and the prevention of environmental hazards.