List the information in the text under the headings do's don'ts. use must/mustn't to tell the class. 1) Do not play or run around the pool. The surface is wet and you might slip.
2) YOU probably know how to swim, but some people DON'T. Do not push anyone in because you can put them in danger.
3) You shouldn't eat before swimming because it can lead to stomach cramps and a risk of drowning.
4) Make sure you know where the lifeguards are and call them if you get into trouble. They are there to save lives so always do what they say.
5) Always pay attention to the NO DIVING signs around the pool. ONLY dive in designated areas.