[boris bubbanov]

And change the filters often, using only those designated for toxic paint finish products.

If you can smell the nitro while you're spraying, you need to replace the filter now.

Great post, scooteraz.

I think the naphtha acts as a lubricant and permits any loose finish to be lifted off the surface and carried away. Remember, paper bags and cotton cloths will smooth and burnish a nitro finish. The polishes are more likely to contain solvents of nitro.