Full description of SEJ in hindi...
on demond, see this video at last for better understanding
#techgainer
#sej #switchexpansionjoint


important links 👇

Points and crossing video link
[ Ссылка ]

Glued joint
[ Ссылка ]

level crossing gate
[ Ссылка ]

HRMS
[ Ссылка ]

SEJ
[ Ссылка ]

LC TVU census
[ Ссылка ]

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