недосконале технічне обслуговування
half colonel / half-bird
half-and-half bearing
contingency maintenance / special maintenance
depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance
maintenance checks / routine maintenance, scheduled tasks
maintenance idling (periodic running of engine for maintenance purposes)
organizational maintenance (O-level) (day-to-day work that standard airfield maintenance groups perform in support of airfield operations)
routine maintenance / scheduled tasks, maintenance checks
scheduled tasks / routine maintenance, maintenance checks
special maintenance / contingency maintenance
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 slot
half stock
half wheel
half-bent
half-cock position