Air compressors are used by glass manufacturers worldwide. From forming containers, bottles and glassware to blowing tubes for lighting and electronics, compressed air can be found in use throughout manufacturing plants. Applications for compressed air throughout a plant include powering pneumatic tools, conveying material and generating electricity. Typically, press and blow glass container manufacturers use two separate air systems -- a low-pressure (50-70 psig) for the furnace and a high-pressure (90-100 psig) system for both the furnace as well as for packaging, palletizing and shipping. These systems are usually set up with two separate compressed air supplies and piping distribution.