May contain traces of nut
You need a particular thread for that to be the proper way.
Not really. Use a to bash the end of the screwdriver (in lieu of a chisel) to prise up the screw (or damage the wood, if screw is in wood). Then use claw end of hammer to lever the screw out. (Oh dear! Back to leverage again )Use a hammer for putting screws in, and a screwdriver for taking them out is the proper way.
Obviously it indicates a question, but then the reader has to find a question within the sentence instead of having to guess what the question might be. There is a rash of posts on this forum and others that say something like (I paraphrase):Does not a question mark indicate a question then?
If it's the only name for it, how can it be an Americanism? I presume you mean the interrobang; I have it available on the iPad: ‽︎It didn't quite make it into ascii, but it is in unicode,
I couldn't bring myself to use it's name as I'm not keen on Americanisms