кесон крила
spar
front spar frame
rear spar frame
spar frame
wing spar frame
front spar
spar cap
spar stiffener
spar web
false spar
air box handhole cover
ammunition box
axle box
battery box
box formation
box freight car
box magazine
box trail
brain box
control box / console / desk
dead letter-box
gearbox / gear box
grid reference box
Jack-in-the-box effect
junction box
pillbox (pill box)
wargaming methods / techniques (belt, avenue in depth, box, belt-in-time)
kill box
slip-ring box
staggered box magazine
ammunition box mouth
ammunition box support