Tehran Mash’had Shiraz Qazvin Tabriz Air Compressors Pumps Chemical Industry Diesel Generating Set Biogas Gas Plant Esfahan The Manual addresses the essentials of theoretical and practical issues faced by every - one working with compressed air on a day-to-day basis ,  from the fundamental theoretical relations to more practical advice and tips . The main addition to this edition is an increased concentration on  environmental aspects , air quality issues , energy savings and compressed air economy . Furthermore , wconclude witcalculation examples  as welas diverse , helpful table information and a complete keyword index © 2011 AtlasCaspian Industrial Group