With autumn nearly here, there's about to be a lot more yardwork to get done. The rakes and bags will have to come out, cleaning up all of the dead leaves falling on walkways and driveways.

Leaf blowers can be powered by a cord, a battery or gas. Leaf blower nozzles are typically round or flat. Round nozzles let more air through at once, making them forceful enough to push soggy leaves ...