Hearing loss encompasses a wide range, from mild to profound, which includes total deafness. Hearing loss is determined by one's ability to hear various frequencies and at specific decibel levels. Additionally, speech recognition is a factor.
Crewe, Virginia has a small but interesting museum. You can climb aboard a steam locomotive, a diesel-electric, and other stock. The restored station has many pictures of N&W. Crewe Railroad Museum, VA - www.rgusrail.com