What is the purpose of an air compressor?
user
I’m sorry, what was the question?
assistant
How is an air compressor used?
user
An air compressor is a machine that is used to pressurize gas and that helps to drive air tools that are used in the building or construction industry.  The compressor can also be used to fill low-pressure bottles or other containers with air.
assistant
What is the purpose of an air compressor?
user
I’m sorry, what was the question?
assistant
How is an air compressor used?
user
Why do you want to know that?  Are you an engineer?
assistant
What is the purpose of an air compressor?