Removal of Remnant Coating or Flux from PCB

How are you removing the remnant cured coating materials once you scrape. laser ablate or use walnut shells to blast coating material from a PCB?

We are using a soft bristled brush or a vacuum source.

What about liquids such as cleaning solutions of flux cleaner? (ie things that are "wet") We are using ionized shop are or vacuum.

Just curious??????

Thanks!

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