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I agree with everything said. I didn't really consider until now that Codidact (unlike Someplace Else) supports case-sensitive tagging. So in addition, perhaps add a note regarding the following:

Capitalization of scientific units and quantities/prefixes should always be in accordance with the SI system ([examples](https://en.wikibooks.org/wiki/Electronics/Units), [more examples](https://en.wikipedia.org/wiki/Physical_quantity)). Not following these standards when communicating with engineers will creature needless confusion.

Common typos: 
- _k_ means kilo, _K_ means Kelvin.
- _f_ means frequency, _F_ means Farad. 
- _m_ means milli or meter, _M_ means mega.
- _a_ means acceleration, _A_ means Ampere.


In case such units need to be present in tags, then the above conventions should be followed. Say that we for example think there should be a tag for 3V3 - the V must then be capitalized. 

Other engineering conventions are that Greek letters may be replaced with Latin/English letters because of keyboard limitations. Examples: 
- _u_ is OK to use instead of _µ_, 
- _R_ is OK to use instead of Ω

(Related, I believe that editing posts solely to correct capitalization for units or prefixes should always be regarded as appropriate and substantial edits during edit review.)

In case decimal point is to be used, always use `.` and never `,` (common locale problem in northern European countries). And as seen above, it is also OK electrical engineering convention to use a unit instead of a decimal point in some places, like 3V3 instead of 3.3V, 6u8 instead of 6.8µF etc. Though mostly applicable to schematics or component prints more so than tags.