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+1 to the Pressurised air idea... but then again, those are hard to find over here.Don't use vacuum cleaners. The suction will generate static, and can fry your components.I've had small success with using "hand blowers". I forgot what they're called. They're used to clean dusty DSLR lenses and sensors.But yeah, it's tedious.You could also use an air compressor. The one they use for spray painting. That is, if you have one around the house.