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| A. | Parapet - Wall of earth and log 8" high and of varying thickness |
| B. | Embrasure - Opening in the parapet for use of artillery |
| C. | Platform - Supports artillery, gun run back out of sight to load |
| D. | Bombproof - Shelters men from artillery fire, also served as command and first aid posts Top |
| Magazine - Similar to Bombproof, for storage of munitions | |
| E. | Trench - Enabled men to stand fully erect without being exposed to enemy fire |
| F. | Firing Step - Platform on which sharpshooters stood to fire under the head log |
| G. | Head Log - Protects sharpshooters from enemy musket fire |
| H. | Crossbars (skids) - Keeps head log from falling into trench if hit by artillery fire |
| I. | Traverse - (if more than one gun in battery) localized effects of enemy shell fire Top |
| J. | Fascines - Bundles of cane to shore up sides of defense |
| K. | Gabions - Baskets made of cane and vine, filled with dirt and used as revetment |
| L. | Chevaux-de-frise - Sharpened stakes used to obstruct enemy attack |
| M. | Sap Roller - Made of cane and vine and packed with dirt or cotton to protect the engineers and fatigue party |
| (sappers) |
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