An interesting article I found, dated February 2019 - on the 6 top reasons why visa nominations get refused.  - Including a list of "High-risk occupations": These include:  Accountant Beauty Salon Manager Nursery Person Retail Manager Program or Project Administrator Restaurant Manager https://www.workvisalawyers.com.au/news/all/6-reasons-an-australian-pr-visa-nomination-is-refused-in-2019-186-ens-187-rsms.html
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