What can you do when the text presents unusual difficulty as to spacing and division?
68.

What is the rule about division in lines of display, and what is the reason for it?
69.

What is the usage with regard to division on title pages?
70.

What can you say about eccentricities in the author's or customer's ideas about division and lay-out?
* * * * * As in the other volumes of this Part, the instructor should not content himself with having the student learn the rules.

He should give drills in spelling and pronunciation and should give problems in composition involving the application of rules.