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Blog Entry# 2123447
Posted: Jan 11 2017 (13:38)
2 Responses
Last Response: Jan 11 2017 (14:35)
2 Responses
Last Response: Jan 11 2017 (14:35)
1 Public Posts - Wed Jan 11, 2017
that is "switch expansion joint"these are provided at intervals in the track to allow space for rails to expand in hot weather