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A faucet is a tool for delivering drinking water from a plumbing system. It can consist of the next components: spout, handle(s), lift up fishing rod, cartridge, aerator, mixing up chamber, and water inlets. Once the handle is fired up, the valve opens and manages water circulation modification under any normal water or temp condition. The faucet is usually manufactured from brass, though die-cast zinc and chrome-plated plastic are also used.

Nearly all residential faucets are dual-control or single cartridge faucets. Some single-control types use a metal or plastic core, which operates vertically. Others use a metal ball, with spring-loaded silicone seals recessed into the faucet body. The less expensive dual-control faucets contain nylon cartridges with plastic seals. Some faucets have a ceramic-disc cartridge that is much more durable.

Faucets must comply with water conservation regulations. In america, bath tub basin faucets are now limited to 2 gal (7.6 L) of drinking water per minute, while tub and bathtub faucets are limited by 2.5 gal (9.5 L).

Faucets run typically eight minutes per capita per day (pcd), regarding to a report by the American Water Works Connection Research Base completed in 1999 that was predicated on water use data collected from 1,188 residences. In daily pcd use indoor drinking water use was at 69 gal (261 L), with faucet use third highest at 11 gal (41.6 L) pcd. In residences with water-conserving accessories, faucets changed up to second at 11 gal (41.6 L) pcd. Faucet use was related to household size. The addition of teens and adults increases water use. Sink use is also negatively related to the number of persons working outside the home and is leaner for many who have an programmed dishwasher.The manufacturing process for faucets has become highly computerized, with computers controlling almost all of the machines. Production and efficiency have thus upgraded over time.

Productivity and efficiency have upgraded over the years. The essential process contains forming the key body of the faucet (some-times including the spout if no swivel is needed), applying a finish, and assembling the many components then, accompanied by product packaging and inspection. The faucet industry has also been influenced by environmental regulations, which have required special processes to be developed.