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 blowers are available in cordless, gas, and electric-powered models. Cordless Featuring rechargeable batteries, cordless models are ideal for use in tight spaces where you need freedom to move or for small yards.
Blowby gases build up in the crankcase. Before pollution controls, blowby was vented to the outside air with a breather cap, with is simply an open cap with an oil/vapor separator screen. Once of the very first pollution control systems was positive crankcase ventilation, or PCV. With this system, the crancase is SEALED.