In the meantime, if you’re curious about the language and its low-level abilities yourself, [phil-opp] has written a series of blog posts on building your own little bare metal kernel in Rust.
Examine an old iron engine block and you’ll see a thin surface layer of rust but little penetration into the metal. Unfortunately, iron alone isn’t a particularly good material for building ...
Citric acid is safe to use on plastic or metal ... or gold trim or a raised pattern imprinted on the material. Repeat this process until you remove all the rust from the machine's interior.