1-chemical hazards and fire safety chapters summary, two short paragraphs, you may write them from the book and find any story of any accident from life or from internet without changing any part of it. Copy paste the accident as a true story of a real accident story.
2-    A simple (example) scenario is shown with a photo  you need to summarize main chemical safety points plus fire safety point, two paragraphs only and write an accident story like in the example given but make it longer using the net, no need to photos unless you got one.