This is the example template used for demonstration during the “Notion for Oil & Gas webinar”, here:
https://www.youtube.com/watch?v=9PO_y3NyTnA&t=308s
It was also discussed and explained in this blog post, here:
https://www.crowdfield.net/blogposts/notion-for-oil-and-gas-your-all-in-one-note-taking-data-mgment-and-collaboration-hub
Once you sign up for Notion, you can head to the top right, hit DUPLICATE to bring this template into your workspace, and edit it at will, based on your own preferences.
Example of Chapters organized as pages:
Example of Chapters organized as toggles (click to expand/collapse):