10.—When should close order be abandoned for deployment?

11.—At what distance from the enemy does deployment become imperative?

12.—What is the last formation to escape direct observation?

13.—What precautions may be taken against aeroplane observations?

14.—What is the difference between a registering fire and fire for effect?

15.—How may the German registering fire be recognized?

16.—What precaution may be taken against it and why is it effective?

17.—What preliminaries are necessary to open fire for effect?

18.—What is an easy way to recognize whether fire for effect may be expected?

19.—What five cases of fire may be distinguished?