Now, the onlybalm that can soothe my mind is that I canstill work inmy ownplantbefore I am retired, where I can still stay with my familiar rolling soundofmachine tools.
As sighted drivers do, Mark made active use of his other senses such as sound, listening to the noise the tires generate rolling over the roads, and used the sense of angular and linear acceleration perceived from his inner ear to make judgments and adjustments to the controls of the vehicle.