A hill that I will die on is that the plural of "learning" is "learning"
Garry Keenor
@25kV@mas.to
UK-based rail electrification engineer with AtkinsRéalis | Electrification Junkie, Catenary Shagger | #electrifyAllTheThings | All opinions my own; retoots not endorsement | rail photos | cat memes | laughing at Space Karen. Want to know how overhead line electrification works? Read all my #RailwaysExplained threads, get my FREE book at http://ocs4rail.com/downloads or buy at https://www.thepwi.org/product/overhead-line-electrification-for-railways/. Owner of the Railways Archive. 'It's just a few masts & wires'. I don't boost media without alt text.
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