Some people only recently got into anime for popularity or trends, but it's mostly because people are starting to give it a chance rather than immediately shoving it away because they want to fit in.
A loose dress.
One careless move and that lathe will have her all tangled up in all sorts of ways. In fact, she'd be wise to dress in Jeans or attractive slacks, and a blouse that's neatly tucked in at the waist. She would also be wise to make sure she is buttoned up and that there are no loose ends anywhere. Lathes look harmless, they are just like any other machine; care must be taken when working on them.
The only worse thing she could do would be to be careless around a band saw or a table saw.
They can commission an artist and make artworks which will portray them as "powerful" or "authoritative."