Sieves are used to separate elements and are used in food preparation, grain sorting, and filtering building materials. Examples include colanders and flour sifters. They are also used in water treatment plants, factories, and farming. Sieves can be made from various materials and can be purchased in retail or industrial stores.
Sieves are devices that allow you to separate different elements from each other. They can be used in food preparation, grain sorting, and also in filtering different types of building materials. The type of screening that occurs helps define the size and general configuration of the device.
One of the most common examples of a kitchen sieve is the everyday colander. Colanders have a perforated body with a series of uniform holes. You can use the colander to separate solid foods from liquids with relative ease. The device is also used to wash raw fruits and vegetables by placing the food in the colander, then running water over the food. As water flows over the food, it picks up small contaminants and carries them off the raw food by expelling the water and contaminants through the perforations.
The flour sieve is another example of a sieve commonly used in the kitchen. It sifts the flour so that only the finest flour particles are used in baking. Most flour sifters come with some type of whisk that helps pulverize larger particles, making them usable in the cooking process.
Sieves are also used outside the kitchen. The industrial size versions are used in water treatment plants to remove larger objects from the water before it goes through a filtration process. Many factories use large sieves to sort products by size, making it much easier to sort and pack finished products. Farmers also use them during the harvesting process of different types of grains, effectively separating the grain itself from any chaff or other unwanted items that may have also caught on during the harvesting process.
A sieve can be created using virtually any type of material. Some are composed of stainless steel bodies punched with a series of holes to allow for sieving. Others are compounded with the use of mesh, an approach that is often used when there is a need to finely sift different products. Today, many simples are constructed of different types of plastics or a combination of light metals and plastics to create a sieve that is easy to clean and use.
Most types of kitchen sieves can be purchased in retail stores and kitchen stores. Industrial versions are available direct from manufacturers as well as from building and industrial supply suppliers.
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