It wasn't even 5 minutes into the lesson about the properties of different engineering materials, like rubber or timber, when you started asking about technical terms I could hardly understand in Polish.
Marcin asked about "bieżnikowanie", which can extend the service life of a tyre by coating an old, worn tyre with new rubber and, of course, I couldn't answer that. I know now, after a quick run through Google, it's retreading, recapping or remoulding (in the UK). Here's a useful FAQ site on the basics of retreaded tyres, like their durability and reliability.
Another thing a lot of people wanted to talk about was oxidation, a process often confused with corrosion. From what I read here, corrosion is a more general process and oxidation can actually be seen as only a part of it. Am I right?
There was also some doubt about what "chassis" really means. We can argue about the best translation, but this is what Google Images returns for this search.
And finally, somebody wanted to know how to say "koks" in English. It's here, together with "węgiel kamienny", known as black coal.
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