Air: Lock

: 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. air lock

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. no water flow in gravity-fed systems

: Air can enter a system during maintenance, pump restarts, or through dissolution in the liquid itself. air lock - Students | Britannica Kids | Homework Help air lock

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