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| | Explosives |
 | | The tetrytol explosive is relatively insensitive to water (becoming useless only after 24 hours of direct exposure to water), making it quite useful to UDT, naval special operations, and marine forces, but it is otherwise very unstable and must be protected against heat, flame, and severe drops. |
 | | The M-2A3 shaped charge is 50/50 pentolite explosive, which can be set off by small arms fire; the M-2A4 is based on Composition B plastic explosive and is not sensitive to small arms hits, though it does have a very small (50-gram) pentolite booster. |
 | | The Mod 0 version is a 2.5-pound (1.13-kilogram) block of C3 plastic explosive in a rectangular cotton duck bag, with a 9-foot (2.74-meter) length of primercord for detonating and as a booster charge. |
| www.pmulcahy.com /explosives/explosives.html (4545 words) |
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