Answer:
direct observation
Explanation:
because if your constantly monitoring them you should see any abnormal signs
Here is how I do it:
Make a List. I wrote down all the crazy things that were in my head. ...
Decide How Long Each Thing Takes. Some things on your list will take 15 minutes or less. ...
Determine The Open Time Slots of The Day. Right now, I have a few hours that are open. ...
Schedule Each Activity. ...
Take a Deep Breath.
B. It uses closed paddles instead of stringed racquets
