A sawmill is a place where logs are cut into lumber.
Sawmills are often associated with the countryside and the sound of cutting wood.
Examples:
The sawmill cuts logs into wood.
We visited the sawmill to see how they cut the logs.
The sawmill is very loud.
I dreamt I was in a magical sawmill where the trees cut themselves!
The sawmill can cut a whole forest in a day.
At the sawmill, the big saw goes screech screech screech all day long.