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1: Main charge. The bulk explosive of the device.

2: Initiator: Smaller charge (blasting cap or similar) used to detonate the main charge.

3: Power source: Battery or other device used to power the initiator

4: I don't remember if this is exactly right, but I believe the fourth component is the 'Trigger.' This is the component used to complete the circuit between the initiator and the power source. Can be any type of mechanical or electronic switch.

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14y ago

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