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2. These Lawn Aerators Keep Your Grass Healthy and Green - AOL

   www.aol.com/lawn-aerators-keep-grass-healthy...

   48-Inch Tow Plug Aerator. The Agri-Fab 48-inch tow plug aerator is a robust and efficient tool for aerating large lawns. Its 48-inch width allows for wide coverage in a single pass, making it ...

3. Lawn aerator - Wikipedia

   en.wikipedia.org/wiki/Lawn_aerator

   Powered aerator vs. manual aerator. Powered core aerator in use. Powered aerators employ the power from ground propulsion to drive multiple tines into ground. The machines can aerate a large lawn in a relatively short time (similar to mowing speed). Manual aerators usually have two to five hollow tines mounted on a step bar.

4. Water aeration - Wikipedia

   en.wikipedia.org/wiki/Water_aeration

   The low speed surface aerator is a device for biology aeration with high efficiency. These devices are often in steel protected by epoxy coating and generate high torque. The mixing of water volume is excellent. The common power is going from 1 up to 250kw per unit with an efficiency (SOE) around 2 kgO2/kw.

5. Leaf blower - Wikipedia

   en.wikipedia.org/wiki/Leaf_blower

   Noise level of a gas-powered leaf blower using the NIOSH Sound Level Meter app. Emissions from gasoline-powered grounds-keeping equipment in general are a source of air pollution [6] [7] and more immediately, noise pollution. [8] [9] In the United States, US emission standards prescribe maximum emissions from small engines.

6. Aeration - Wikipedia

   en.wikipedia.org/wiki/Aeration

   In wine tasting, a variety of methods are used to aerate the wine and bring out the aromas, including swirling wine in the glass, using a decanter to increase exposure to air, or using a specialized wine aerator. Cider from Asturias is poured into the glass from a height of about 1 metre (el escanciado) to increase aeration.

7. Fine bubble diffusers - Wikipedia

   en.wikipedia.org/wiki/Fine_bubble_diffusers

   Fine bubble diffusers have largely replaced coarse bubble diffusers and mechanical aerators in most of the developed world and in much of the developing world. The exception would be in secondary treatment phases, such as activated sludge processing tanks, where 85 to 90 percent of any remaining solid materials (floating on the surface) are ...