голівка клапана
penetrating head injury / open head injury
drop head body (drop-head body)
head-to-head flyoff
valve head deposits
valve head slot
valve-in-head motor
exhaust valve head
check valve / non-return valve
non-return valve / check valve
case head
cylinder head
general purpose head
head count (headcount)
head harness
head injury criterion (HIC) (med.)
Head of Directing Staff (HDS) (exercises)
Head of Logistics
Head of Mission
head room
head wind
head-on approach
head-on battle
head-up display / heads-up-display (HUD)
high explosive antitank and antipersonnel head
high explosive antitank head
high explosive head
homing head
navigation head
pointed head
azimuth aiming circle head
camouflage head net (headnet)
passive electronic homing head