(ав.) агрегат запалювання; трансформаторна підстанція;
spike transformer
current transformer
electronic transformer
step-down transformer
transformer
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
ammunition stowage box
resealing ammunition box (NATO)
maneuver box
aftersponson stowage box
ammo box