What kind of machines, do you know?
Brand new touch screens, they leave a paper copy of the ballot.
https://www.kansascity.com/opinion/editorials/article216233135.html
https://www.kansascity.com/news/politics-government/article210791069.html
This is the company that makes them
https://www.essvote.com/products/12/12/universal-voting-system/expressvote/