храпове колесо
penetrating head injury / open head injury
drop head body (drop-head body)
head-to-head flyoff
case extractor
extractor
fume extractor
arm of extractor
cartridge extractor
yoke portion of extractor
extractor cam
extractor feed cam
extractor groove
extractor hinge bolt
extractor hook
extractor lever
extractor rod
extractor slot
extractor spring
extractor stay
extractor tongue
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