Unfortunately, the Air Conditioning Units are usually on the roof, so training for the ground floor isn’t as much help as you might think. That’s why we at the Utilities Engineering Institute also offer classes in the vast-growing field of staircase management! You’ll learn how to go up. How to go down. How to tell the difference. How to negotiate landings; how to know when to stop. Send in the inside coupon NOW! Our 18th year of claiming it’s our 18th year.