привід, що знижує вдвічі швидкість обертання
half colonel / half-bird
half-and-half bearing
camshaft gear (timing gear)
gear reduction unit / gear-reduction unit
half deck
half-colonel
half-duplex
half-duplex channel
half-moon recess
half-silhouette target
half-track
deuce and a half
half-bird
half-section
armored half-tracked truck
bottom half
carrier half-track mortar
crankcase bottom half
half cock
half cock notch
half day's march
half do maintenance
half slot
half stock
half wheel
half-bent
half-cock position
half-stock
half-track mounted cannon
half-track personnel carrier
half-tractor
studded half of wheel