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2. Grab This Expert-Approved Leaf Vacuum Before the Piles Get ...

   www.aol.com/grab-expert-approved-leaf-vacuum...

   It combines a leaf blower, vacuum, and mulcher in one device, making it suitable for small yards or areas with tight spaces." Power Source: Electric (corded) Air Flow: 210 mph.

3. Make Quick Work of Fall Cleanup With These Expert ... - AOL

   www.aol.com/lifestyle/best-leaf-vacuums-lawn...

   The Best Leaf Vacuums. Best Overall: Husqvarna 125BVx Best Value: Black+Decker 3-in-1 Best Gas-Powered: Echo ES-250 Best Battery Powered: Greenworks 40V 505 CFM Best Walk-Behind: Troy-Bilt CSV07B ...

4. Leaf blower - Wikipedia

   en.wikipedia.org/wiki/Leaf_blower

   A leaf blower, commonly known as a blower, is a device that propels air out of a nozzle to move debris such as leaves and grass cuttings. Leaf blowers are powered by electric or gasoline motors . Gasoline models have traditionally been two-stroke engines , but four-stroke engines were recently introduced to partially address air pollution concerns.

5. What Does the iRobot Roomba Combo 10 Max Actually Do? - AOL

   www.aol.com/lifestyle/irobot-roomba-combo-10-max...

   The j7+ Combo, which mops and vacuums, impressed editors with its suction power and smart mapping to efficiently clean a room. The 10 Max is supposed to have taken things to the next level, with ...

6. Centrifugal fan - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_fan

   Figure 1: Components of a centrifugal fan An external motor belt driven inline centrifugal fan discharging inline to the exterior of a building through a duct. Unlike non-inline/non-concentric impeller casing design with a cutoff blade above, the concentrically symetric cylinder casing and impeller geometry of inline type redirects the outflow around so that it is parallel to the inflow of gases.

7. Vacuum pump - Wikipedia

   en.wikipedia.org/wiki/Vacuum_pump

   The Roots blower is one example of a vacuum pump. A vacuum pump is a type of pump device that draws gas particles from a sealed volume in order to leave behind a partial vacuum. The first vacuum pump was invented in 1650 by Otto von Guericke, and was preceded by the suction pump, which dates to antiquity. [1]