Joining two actions using 'as' and 'while'. (We hate this.)
Writing tip: Word repetition makes you look amateur. Here’s what to do about it.
There are lots of ordinary words that we have to repeat as we write. They're building blocks, if you like, creating vehicles that carry along the more interesting words and phrases.
But repeating unique words, phrases or descriptions several times in a paragraph, or a page, or even a chapter, makes your writing seem stale.