шестірня внутрішнього зачеплення; вінцева шестерня (варіант- шестірня)
can-annular burner / combustion chamber
annular double-row ball bearing
annular gas sealing grooves
annular seat
annular single-row ball bearing
annular single-row shielded ball bearing
annular wide roller bearing
annular cascade
annular combustion chamber
annular exhaust nozzle
double annular combustion chamber
annular aerofoil
camshaft gear (timing gear)
gear reduction unit / gear-reduction unit
balancing gear
bombing gear
brake gear
consistent hydro changeable gear
crankshaft gear
damper landing gear unit
field gear
flight gear
forward gear
fuselage and landing gear clearance zone
gear
gear reduction transmission
gear speed decreaser
gearbox / gear box
gear-type oil pump
landing gear
magnetic anomaly detection (MAD) gear
military protective gear