1. Though I'm not clear on whether that necessarily still uses primary explosive . 2. As such, it was quickly taken up as a primary explosive in mining applications. 3. The theorized structure lent itself well to acting as an initiating, or primary explosive . 4. He discovered mercury fulminate, a powerful primary explosive . 5. AgN 3, like most heavy primary explosive . 6. Primary explosives are commonly used in blasting caps and percussion caps to translate a physical shock signal.7. Primary explosives are often used in detonators or to trigger larger charges of less sensitive secondary explosives.8. "' Platinum fulminate "'is a primary explosive which is a fulminate salt of platinum discovered by Edmund Davy. 9. "' B "': An article containing a primary explosive substance and not containing two or more effective protective features. 10. For example, PETN is considered to be a primary explosive by some individuals, and a secondary explosive by others.