no coverage of metal work nor railway track repair

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This article talks about many kinds of Lute and Luting but nothing about the modern use in molding repairs on railroad tracks. See this page that implies luting is a modern practice: https://www.pandrol.com/us/product/autoseal-moulds/ Also, OED seems to have a more complete definition. Also, Texas DOT, 111.18.2: Luting https://ftp.dot.state.tx.us/pub/txdot-info/hou/projects/hempstead-road-uprr/track/form-7913.pdf Dlotts (talk)