first stage fuel filter

first fire mixture / first-fire mixture

band-pass filter / bandpass filter (BPF)

dust filter / dust shield, particle filter

dust shield / dust filter, particle filter

filter housing / filter unit

filter unit / filter housing

particle filter / dust shield, dust filter

finite impulse response filter (FIR-filter)

passband filter; bandpass filter (BPF)

first iteration of fuel (the)

fuel filter

fuel filter bowl

fuel filter element

fine fuel filter

main stage

multiple-stage missile

single-stage

single-stage missile / rocket

stage

stator vane stage

two-stage missile / rocket / vehicle

two-stage solid-propellant ballistic vehicle

four-stage compressor

compressor stage

off-design stage performance

single-stage turbine

stage reaction ratio

subsonic compressor stage

supersonic compressor stage

transonic compressor stage

cumulus stage

building stage