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SPRING SHARPENER SPINDLE

Knife and blade sharpening is the process of making a knife or similar tool sharp by grinding against a hard, rough surface, typically a stone, or a flexible surface with hard particles, such as sandpaper.  Grinding is generally done with some type of sharpening stone. Sharpening stones come in coarse and fine grits and can be described as hard or soft based on whether the grit comes free of the stone with use.

Spindles are typically used in restaurant equipment to mix and blend ingredients in food and beverage preparation. These devices are essentially motorized shafts with an attached agitator, which spins at variable speeds to mix ingredients thoroughly and efficiently. Spindles may be used to blend frozen drinks, mix batters and dough, sauces, dressings, breading, seasonings, and other food items.

A spring is an elastic object that stores mechanical energy. Springs are typically made of spring steel. There are many spring designs. In everyday use, the term often refers to coil springs. When a conventional spring, without stiffness variability features, is compressed or stretched from its resting position, it exerts an opposing force approximately proportional to its change in length.