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Concept
Sink
Summary
A sink is a bowl-shaped plumbing fixture for washing hands, dishwashing, and other purposes. Sinks have a tap (faucet) that supply hot and cold water and may include a spray feature to be used for faster rinsing. They also include a drain to remove used water; this drain may itself include a strainer and/or shut-off device and an overflow-prevention device. Sinks may also have an integrated soap dispenser. Many sinks, especially in kitchens, are installed adjacent to or inside a counter.
When a sink becomes clogged, a person will often resort to using a chemical drain cleaner or a plunger, though most professional plumbers will remove the clog with a drain auger (often called a "plumber's snake").
The washstand was a bathroom sink made in the United States in the late 18th century. The washstands were small tables on which were placed a pitcher and a deep bowl, following the English tradition. Sometimes the table had a hole where the large bowl rested, which led to the making of dry sinks. From about 1820 to 1900, the dry sink evolved by the addition of a wooden cabinet with a trough built on the top, lined with zinc or lead. This is where the bowls or buckets for water were kept. Splashboards were sometimes added to the back wall, as well as shelves and drawers, the more elaborate designs usually placed in the kitchen.
Sinks are made of many different materials. These include:
Ceramic
Concrete
Copper
Enamel over steel or cast iron
Glass
Granite
Marble
Nickel
Plastic
Polyester
Porcelain
Soapstone
Stainless steel
Stone
Terrazzo
Wood
Stainless steel is most commonly used in kitchens and commercial applications because it represents a good trade-off between cost, usability, durability, and ease of cleaning. Most stainless steel sinks are made by drawing a sheet of stainless steel over a die. Some very deep sinks are fabricated by welding. Stainless steel sinks will not be damaged by hot or cold objects and resist damage from impacts.
Official source
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