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spike aerators use wedge shaped solid spikes to punch holes in the soil; core aerators have hollow tines that pull out plugs (or "cores") from soil; Curved spike aerator. Core/plug aerator vs. spike aerator. A spike aerator creates holes in the ground by pushing the soil sideways as wedge-shaped spikes penetrate the soil.
However, the Vortex is more robust and makes use of four solid tines, which are equally spaced and angled 6° from a centerline of the body. [2] The Vortex is the only flash suppressor in the world with a helical flute design that breaks up the flash at multiple locations and angles. [ 3 ]
Aeration (also called aerification or aeriation) is the process by which air is circulated through, mixed with or dissolved in a liquid or other substances that act as a fluid (such as soil). Aeration processes create additional surface area in the mixture, allowing greater chemical or suspension reactions.
However, the Vortex is more robust and makes use of four solid tines, which are equally spaced and angled 6° from a centerline, while the slots of the body incorporate a 5-, 10-, and 15-degree twisted helix design, which eliminates up to 99% of visible muzzle flash by having the flash break up at multiple locations and angles.
Mixing of liquids occurs frequently in process engineering. The nature of liquids to blend determines the equipment used. Single-phase blending tends to involve low-shear, high-flow mixers to cause liquid engulfment, while multi-phase mixing generally requires the use of high-shear, low-flow mixers to create droplets of one liquid in laminar, turbulent or transitional flow regimes, depending ...
Soil aeration is the mechanism of improving the exchange of gases between the atmosphere and soil. Through soil microbial activity and plant root respiration, certain gases such as oxygen will be depleted in the soil, while others, such as carbon dioxide, will build up in the soil. [1]
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The number of tines on tools varies widely – a pitchfork may have just two, a garden fork may have four, and a rake or harrow many. Tines may be blunt, such as those on a fork used as an eating utensil; or sharp, as on a pitchfork; or even barbed, as on a trident. The terms tine and prong are mostly interchangeable. A tooth of a comb is a tine.