{
  "technology":
  [
    [ "tanks-mk1", "Schall-tanks-1" ],
    [ "tanks-mk2", "Schall-tanks-2" ],
    [ "tank-H-mk1", "Schall-tank-H-1" ],
    [ "tank-SH-mk1", "Schall-tank-SH-1" ],
    [ "tank-F-mk1", "Schall-tank-F-1" ],
    [ "tank-H-mk2", "Schall-tank-H-2" ],
    [ "tank-SH-mk2", "Schall-tank-SH-2" ],
    [ "tank-F-mk2", "Schall-tank-F-2" ]
  ]
}