Sink
A sink was a basin, usually located in a bathroom or kitchen area, in which water and soap could be used to wash one's hands, dishes, or even clothes.

Two sinks were part of the equipment of an  sickbay. () The galley aboard  also featured a sink. ()

In the alternate reality, a metallic sink featuring one faucet could be found in the captain's quarters onboard  ships. ()

A sink was present in the brig aboard Starfleet ships. ()

The sinks in the bathrooms aboard the   were activated by pulling them out. This activated a light and water. ()

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Life support technology