Bogie for subway coach I. Core Technological Needs: Protection is the Only Criterion Bogie frame castings will not be ordinary cast iron areas. They bear your complete excess weight in the car or truck system and travellers and continuously withstand different impacts and vibrations with the keep track of. Their https://youslade.com/post/339440_rail-grinding-this-art-carried-out-amid-sparks-flying-quietly-safeguards-the-hea.html