Take a look at the job ads in your local paper's classified section. You'll have to search as classifieds don't have their own section anymore, but it'll be in somewhere.

You'll likely see some listings with very specific and odd instructions to apply. I seem to recall there was a ruling/advisory that requiring application on paper doesn't actually meet the requirements for immigration, but it used to. You would see very detailed and specific requirements, and it would be cumbersome to apply, and the hiring company would be hoping that only the candidate they already knew would apply.