I would say that the word "equanimity" is a 10 letter word that means evenness of mind or temper and that it could be displayed by someone who works in the kitchen just described above the manner of dealing with the world when one's workplace is in good order and clean, as an example.
Is this a riddle, if so, my answer is Racecar.
You can use a thesaurus to have interesting and new vocabulary in your English work
The answer is c our jet ski sped over the water