The same could likely be said of my own books. They are written in English as well.
There is a great deal of scrubbing floors. And cleaning small parts. But control over fire is useful in a wide range of activities. One that has some prominence in the Radch would be glasswork. We have some examples of that art on the lower end. Athoek System was known for tea, not anything else.
If you truly want to follow Radchaai customs with the language, you should wear gloves while speaking it.