two-blade propeller

two-seat / two seat

propeller blade

propeller blade station

suction face of a propeller blade

pressure face of a propeller blade

propeller blade chord

three-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

duplex / two-way channel

stabilized in two axes

two brigades abreast

two-cycle engine

two-handed riot baton

two-man foxhole

two-prong attack

two-sided exercise

two-stage missile / rocket / vehicle

two-stage solid-propellant ballistic vehicle

two-up formation

two-way radio

two-lane all-weather road

bi-strategic command (Bi-SC) (of the two Strategic Commands )

two-crewmember cockpit

two-man fire trench

four by two

two-aircrew aircraft

two-aisle compartment