How do you use the word thirdly in a sentence?

Here are a few examples of how to use "thirdly" in a sentence:

* Firstly, we need to gather the necessary materials. Secondly, we need to plan out the project. Thirdly, we need to execute the plan.

* The benefits of this program are threefold: Firstly, it improves health outcomes. Secondly, it reduces costs. Thirdly, it promotes community engagement.

* Thirdly, the author makes a compelling argument for a new approach to this problem.

Important Note: "Thirdly" is often used in formal writing and speeches, particularly when listing items in order. In more informal settings, it might be more common to simply use "third" or "next."