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| | Hand grenade - Wikipedia, the free encyclopedia |
 | | Early grenades were usually made of paper, ceramics, or primitive glass and could contain any sort of dangerous or unpleasant substance, ranging from botanical or animal toxins, skin irritants, lye, acids, flammable naphtha, petroleum and unstable gunpowder, diseased matter, or parasite eggs (such as locusts, lice, fleas). |
 | | Grenades are often used in the field to construct booby-traps, using some action of the intended target (such as opening a door, or starting an auto) to trigger the grenade. |
 | | The use of tripwire-triggered grenades (along with landmines in general) is banned under the Ottawa Treaty and may be treated as a war crime wherever it is ratified. |
| en.wikipedia.org /wiki/Concussion_Grenade (4597 words) |
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