engineering district;maintenance of way section;track division;track district;track maintenance division
auto-punch hardness tester(auto-punch)
jointless line;continuously welded rail track;jointless track
non-NTDS track {dummy track}
replacing and laying track with track panel
track-to-track association
track-to-track moving time
transforming single track into double track
double - track existing single track line
accumulated total punch
airplane tail slow punch press