Okay!
Why would we want to do that? Simple, It's part of the removal process when doing a restoration or rebuild. The thing is, many times tha paint gets stuck in the corners and tight spots. No way it wants to come out. Do you know how many tight spots there on the Revell model of the "Queen Mary?"
Now, I am sure, unlike me, a smoker of 60+ years, you don't keep lighters around, like the old familiar "Zippos". Don't have to! Just go to your local Smoke shop and ask for a can of "Ronson" lighter fluid! What that is, is refined household Naptha.( once an old lamp starter fluid).
It won't melt the plastic, has low odor and softens the paint in tight corners till you can scrub it off with a Denture Brush. Then, Wash the part in good soapy Dawn and WARM water, Rinse and let air dry. The Surface is now ready for new paint!
As to the brush-I always use a Denture Brush, because they are stiff enough to do the job, but gentle enough to not damage the surface . A very good investment in a tool you will find yourself using a lot! Note: I used to use it as thinner for my square bottles of Testors and the bigger round bottles of Pactra!
What I like about Naptha is simple. I have a fifty five year old Badger dual action air brush. I have always, even after using Lacquer, broke down and cleaned every part of that brush with Naptha and wiped the parts dry and re-assembled it ready for the next time. I have only had to replace the "O" rings once in all this time.