спостереження при закритих люках (напр. із танка)
infrared viewing
viewing angle
viewing aid
viewing device
viewing direction
viewing distance
viewing range
night viewer (viewing device)
closed area
commander's hatch
driver's hatch
escape hatch
hatch
roof hatch
bustle hatch
closed-breech scavenger system
crew hatch
ditching hatch
hatch crew
armored hatch
closed cab
driver's hatch hood
engine hatch
closed-loop control
closed-vent circuit
access hatch
emergency exit hatch
maintenance hatch
rescue hatch
rescue hatch window
afterhatch / aft hatch
half-closed SP gun