чотириходовий клапан
four-cycle / four-stroke
four by four
fingertip formation / finger-four formation / four finger formation
one-way UAV / one-way attack UAV (OWA UAV)
check valve / non-return valve
non-return valve / check valve
four-point barb
four-charge gun
four by two
four-barreled anti-aircraft gun
four-groove barrel
four-point
four-stage compressor
four-wheel drive
four-wheel drive truck
four-boss breaker cam
four-stroke cycle
four-step stand
four-stroke engine
Four Tonner (Bedford truck)
companion way
covert way
duplex / two-way channel
force one's way
give way
inch one's way forward
push one's way
take way off the ship
two-way radio
way point
HAWK (MIM-23 HAWK, Mobile Interceptor Missile Homing All the Way Killer)
military way