Copy programming into English and French texts, checking. Placement of materials on the network, backing up. Design of preliminary exercises Design of pre-evaluations. Identifying, cataloging and classifying images for a 5 or more chapters project requires extreme precision. Using a java or html editor saves a lot of time.
Tables help organize visual information in an agreable way.
Gif images are more precise than jpg ones, but they also mean many more Ks, except if your images are black and white. Most colleagues on the network are generous and cooperative, but some do not open their mail in centuries. The configuration of the receiving computer may change the quality of what you propose. You will always need more time than what you plan.