pressure face of a propeller blade

suction face of a propeller blade

volte-face / volte face

face-to-face combat

face-to-face contact

negative thrust propeller / negative-thrust propeller

propeller blade

propeller blade station

propeller blade chord

three-blade propeller

two-blade propeller

blade flat; saber flat; sword flat, flat of the blade / sword

blade de-icers / blade heating elements

blade heating elements / blade de-icers

blade horn / blade lever

blade tip light / main-rotor blade tip light

main-rotor blade tip light blade tip light

turbine blade pressure side

block face

breech face

desertion in the face of the enemy

face of the bolt

face paint

Future Airborne Capability Environment (FACE)

home-made face filter

muzzle face

armor ballistic bullet proof face mask

armor face

armor face mask

face-hardened armor

ricochet off the armor face

the face of opposition

trunnion face