swing check valve

check valve / non-return valve

non-return valve / check valve

swing empennage

swing bearing

swing tail

swing with the target

swing the battle in one's favor

swing forces

swing around

spot check (spot- check)

ball check valve

brake vacuum check valve

baffle check valve

check valve

metering check valve

orifice check valve

actuator deceleration vent check valve

check sweeping

function check

maintenance check

radio check

routine check

security check

vehicle check-point

fleet operational readiness accuracy check sites (FORACS)

loalty check

NATO Naval Forces Sensors and Weapons Accuracy Check Sites

pre-combat check (PCC)

pre-execution check (inspection)

cross-check procedure (CCP)

rammer check lever

background check