Ontario Northland Railway (ONT), Canada, and Bay Line Railroad (BAYL), Panama City, Fla., have adopted CNC (Computer Numerical Control) portable wheel truing machines for maintaining and repairing ...
https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!150203~!0#focus ...
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