{
  "technology":
  [
    [ "laser-turret-speed-1", "laser-shooting-speed-1" ],
    [ "laser-turret-speed-2", "laser-shooting-speed-2" ],
    [ "laser-turret-speed-3", "laser-shooting-speed-3" ],
    [ "laser-turret-speed-4", "laser-shooting-speed-4" ],
    [ "laser-turret-speed-5", "laser-shooting-speed-5" ],
    [ "laser-turret-speed-6", "laser-shooting-speed-6" ],
    [ "laser-turret-speed-7", "laser-shooting-speed-7" ],
    [ "turrets", "gun-turret" ],
    [ "laser-turrets", "laser-turret" ],
    [ "combat-robotics", "defender" ],
    [ "combat-robotics-2", "distractor" ],
    [ "combat-robotics-3", "destroyer" ],
    [ "gates", "gate" ],
    [ "stone-walls", "stone-wall" ],
    [ "tanks", "tank" ]
  ]
}