The MBTA has a quite capable metal shop that's been making replacement parts for... | Hacker News

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		wffurr 12 days ago \| parent \| context \| favorite \| on: Boston's subway system replacing 1890s-era wooden ... The MBTA has a quite capable metal shop that's been making replacement parts for the 1960s vintage subway cars for quite a while.

paleotrope 12 days ago [–]

Right but it will be something they can't work with. Like some custom magnesium-aluminum metal that has to be cast and can't be machined with normal tools.

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