During handling of explosives, which design feature helps prevent contact between individual items?

• A. Vent system
• B. Safety interlock
• C. Item-to-item contact
• D. Grounding strap

Answer: (C)

The main idea is keeping explosive items apart during handling to prevent any energy from one item affecting another. The design feature that achieves this is item-to-item contact, meaning deliberate spacing, barriers, or packaging that prevents direct touching between items. This separation reduces the chance that friction, shock, or heat from one item could initiate a neighboring item, helping to avoid a cascade of initiations. The vent system addresses pressure release, the safety interlock controls safe operation of equipment, and the grounding strap dissipates static electricity—none of these directly prevent items from touching each other.