46.—Describe what is meant by organization of a newly conquered trench.
47.—What should be done, if the enemy bombards the fire-trench?
48.—What should the sentinels do?
49.—What should be done if the bombardment is back of the fire-trench?
50.—What general rule applies to the use of all trench artillery?
51.—What are its ordinary objectives?
52.—How are trench mortars handled?
53.—What is meant by calling trench-artillery mobile weapons?
54.—Give a general caution for the use of all ammunition.