In 2009, the National Commission on Teaching and America's Future reported that in 18 states, including Connecticut, more than an half of the public school teachers were 50 or older, with the average teacher retirement age that year at 59.
Leaf Blower Types. Handheld: Handheld leaf blowers are the most common type for people interested in cleaning up leaves around a home. Backpack: Backpack leaf blowers are ideal for commercial or heavy-duty uses. Blowers with leaf vacuums: Some types of leaf blowers can convert into vacuums. This gives people the option to pick up and mulch light debris. Walk-behind blowers: Walk-behind blowers are ideal for heavy-duty cleanup jobs.
All ECMs are variable-speed motors. However, not all variable-speed motors are ECMs. ECM blowers include a control circuit that adjusts the blower speed to compensate for increased static pressure (which can occur, for example, when dust builds up on the filter).