GPS & Computer
Be wary of blowing compressed air into a computer or other electronic device. Plant compressed air in a chemical plant usually is further routinely conditioned by removal of water (vapor, mists and aerosols) by the usage of either a refrigeration desiccant air dryer to obtain reduced ''dew point'' / humidity content. Otherwise, compressed air is saturated with water vapor and the moisture will/can condense on those surfaces that have a themal difference.
If the compressor is a ''flooded (oil) screw'' compressor and does not include oil mist and vapor removal equipment, you also risk also coating the internals of your computer, etc. with oil !!!