paint thinner on a file cabinet - taking it down to its natural metal jmoinajo edit: I did this before and really liked the look. wait to seal it, and you will get strange rust patterns from humidity. Seal with a clear gloss as soon as you like what you see.
Unclog Spray Paint Nozzles with an Overnight Soak In Paint Thinner
The nozzles on spray paint cans will clog pretty easily, and a clogged nozzle pretty much makes the whole thing useless. A bath in some mineral spirits or paint thinner will make that nozzle good as new.