faucets
The answer is: "A Plumber"
It is the drain.
drabs
Yes, i just witnessed it last night!
The water goes down the plughole/drain and then down the pipes.
Quartz and onyx (minerals), marble and granite (stones), are popular surfaces for sinks and bathtubs. Ceramic, porcelain enamel, stainless steel, copper, glass, soapstone, nickel, concrete, resin, terrazzo, polyester, and wood such as pine, mahogany, bamboo, or elm are also widely used.
A fixture is something that attaches to the house like the water heater, furnace, dishwasher, sinks, toilets, bathtubs etc.
The pull of gravity needs a shallower depth to produce the Whirlpool.
Kholer is best known for their kitchen and bathroom faucets and accessories. They also sell bathtubs, showers, sinks, toilets, and replacement parts.
Drain
They manufacture enameled iron, cast iron, or pressed metal sanitary wares, such as bathtubs, sinks, toilets, and other bathroom and household plumbing fixtures.