Why does a bike stay balanced when you are moving and fall to the side when you are standing still? Anyone who has ridden a bike knows that if you keep moving you won’t fall but as soon as you come to a stop you will need to put your feet on the ground or risk tipping over.

Motors are found everywhere in buildings, and engineers are responsible for making sure they are sized correctly and have adequate source energy to make them work. The heart of almost every HVAC, plumbing and fire protection system is the source equipment.