Day-to-Day Track Maintenance Part II: Switches & Crossings
Continuing the study of the normal tasks performed by a permanent-way gang, this film deals with the maintenance of switches, common crossings and obtuse crossings. These are the fundamental units from which all track layouts, however complicated are built up.
Từ khóa:
Day-to-Day Track Maintenance Part II: Switches & Crossings 1952
transportation
train
instructional
British Transport Films
Day-to-Day Track Maintenance Part II: Switches & Crossings Phim
Day-to-Day Track Maintenance Part II: Switches & Crossings Phim Mới
Day-to-Day Track Maintenance Part II: Switches & Crossings PhimMoiChill
Day-to-Day Track Maintenance Part II: Switches & Crossings Xem Phim Online
Day-to-Day Track Maintenance Part II: Switches & Crossings him HD VietSub
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