Compressed air is second only to electricity as the most popular source of energy in today’s advanced work environment. It powers a wide variety of tools and equipment as well as large machines and process lines. Benefits of compressed air include low maintenance costs, a low weight to power ratio and the ability to operate for long periods without overheating. Just like electricity, however, compressed air can be deadly if not treated with respect and used properly. 15 minutes. Topics include: · Dangers of cleaning with compressed air · How compressed air can injure the human body · Use of hearing protection in noisy environments · Inspection and maintenance of compressed air equipment · Components of compressed air systems