перевірка герметичності; перевірка відсутності витоків
leak
air leak
cap the leak
leak detector / leakage detector
gasoline leak
leak test
leak tester
security leak
spot check (spot- check)
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
ball check valve
brake vacuum check valve
check adjusting range
check fire
check for eavesdropping devices
check for listening devices
check for logical inconsistency
check for tightness