обтюрувальне кільце
spot check (spot- check)
base junction; rotary collector ring (box); rotary base junction (of a tank); rotary connection; slip ring; traverse rotary base junction
life ring (ring buoy)
gas check
gas check band
gas check seat
gas-check pad
gas gun; (tear) gas launcher
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 action fuze
check adjusting range
check fire
check for eavesdropping devices
check for listening devices
check for logical inconsistency