Sentences with phrase «which railway ties»
In the 1840s, his work had helped to launch the timber «pickling» industry, in which railway ties and telegraph poles were protected from decay by dipping them in creosote, made from coal tar.
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Railway systems are designed for a 50 - year lifespan, which is calculated on the integrity of the materials used, and most railways are built along one of two common track systems: rails set on railway ties (U.S.A.) or sleepers (UK), which are then «ballasted» into beds of rock or gravel; or rails that are set onto concreteRailway systems are designed for a 50 - year lifespan, which is calculated on the integrity of the materials used, and most railways are built along one of two common track systems: rails set on railway ties (U.S.A.) or sleepers (UK), which are then «ballasted» into beds of rock or gravel; or rails that are set onto concreterailway ties (U.S.A.) or sleepers (UK), which are then «ballasted» into beds of rock or gravel; or rails that are set onto concrete slabs.
[There are] fossils of unfathomable age, and fantastical trees such as Cedar of Lebanon, the Phoenix Palm, and the Methuselah tree, thought to be one of the oldest trees in the World at 4,847 years of age, as well as a railroad tie taken from the Panama Canal Railway, which claimed the lives of between 5,000 to 10,000 workers over its 50 year construction, and wood is salvaged from the remnants of the iconic Atlantic City boardwalk devastated by Hurricane Sandy in 2012.