Iam currently writing a speech about the use of medical 3d printing and i cannot thinkn of a thesis any ideas

Thesis statement:

The uses of medical 3D printing go beyond the unimaginable, helping in cases such as (list 1st reason it's beneficial), (list 2nd reason it's beneficial), (list 3rd reason it's beneficial). All of these reasons will definitely improve the medical field extensively.

Then you go on with your essay explaining why...
The 1st body paragraph being your first reason.
2nd
3rd
and so on.

Show his work so he doesn’t get points taken off. this is because even if he can do calculations in his head, he may make a mistake and having it on the paper will not only him find mistakes but show that he was doing the work as well.