12. Are my sentries in their right places? Are they properly posted by N. C. O.'s? Have they received proper instructions?

13. Have I got the S. O. S. message in my pocket, and do I know the orders regarding its use?

14. Are the trenches as clean and as sanitary as they might be? Are live rounds and cases properly collected? Are my bags for refuse and empties in position?

15. Are my trenches as dry as I might make them?

16. Am I doing all I can to prevent my men getting "trench feet"?

17. How can I prevent my parapets and dugouts from falling in?

18. Have I carefully studied the ground in front and noted all places where Germans expose themselves or are likely to do so? Have I taken advantage of suitable spots in the ground in front of my parapet or behind my trenches to make "snipers'" lairs, besides making loopholes in the parapet?

19. Have my men always got their box respirators on them, and are they in good order?

20. Are the arrangements, in case of gas attack complete and known to all ranks?

21. Are the orders as to wearing equipment carried out?