Air compressors can be used for a whole host of applications. We take a closer look at how to use an air compressor and what to use it for. Air compressors have been in use for about 4,000 years. Don’t believe us? Well think about this, the first use of compressed air was to fuel fire. Hand operated bellows would be pumped to gather and blow fresh oxygen-rich air into the fire. This was especially useful in the metal making process. Today’s air compressors are a bit more complicated, but