Lock: Air

: Vital for space vehicles, allowing astronauts to exit for spacewalks while keeping the cabin pressurized.

In engineering, an air lock is a chamber that allows people or objects to pass between areas of different air pressures without significantly changing the pressure of either environment. air lock

Related resources for this article ... Courtesy of Elgood-Mayo Corp., Lancaster, Pa. Courtesy of Elgood-Mayo Corp., Lancaster, Pa. Britannica Kids : Vital for space vehicles, allowing astronauts to

An is a device or physical phenomenon involving trapped air that regulates passage between different pressures or blocks the flow of liquids . Depending on the field—whether aerospace, plumbing, or medicine—an "air lock" serves very different purposes. 1. Pressure Regulation (Engineering & Aerospace) Courtesy of Elgood-Mayo Corp

An air lock (or vapor lock) occurs when gas becomes trapped in a high point of a liquid-filled pipe system, partially or completely blocking the flow .

: Pharmaceutical facilities use them to prevent contamination by maintaining a pressure cascade between rooms. 2. Fluid Blockage (Plumbing & Irrigation)

: It can lead to sputtering faucets, no water flow in gravity-fed systems, or the failure of pumps that rely on liquid for lubrication.