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Top Terms > Materials > Classes of materials > Building materials > Materials by end use > Industrial materials > Materials in specific industries > Transportation materials > Railroad materials

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Railroad materials (Rbmumttr)

Broader Term
Transportation materials (Rbmumtt)
Narrower Terms
Rail fasteners (Rbmumttrf)
Related Terms (Hierarchical)
Aerospace materials (Rbmumttb)
Road materials (Rbmumtth)