[OM] Ranking of alcohols by aggressiveness

[Doggre]

Jim wrote:
> For
>unsticking leaf shutter elements and cleaning oily aperture blades and
>aperture mechanisms I use Ronsonol, which I believe is naptha which has
>allegedly been filtered for use in lighters... when I finish out my little
>5oz bottle I'll probably buy a quart of painter's naptha at the hardware
>store (naptha is sold as a 'drying accelerator' for oil-base paints).

My new friend at work just said the same thing last night about using lighter 
fluid/naptha for aperture blades.

Naptha is another cleaner/degreaser widely used in aerospace work.

Rich